Home / 1,302,115.68-1,953,153.44-355,483.68

Finding the Fourth Proportional to 1,302,115.68, 1,953,153.44 and 355,483.68

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Solution

The fourth proportional to 1,302,115.68, 1,953,153.44 and 355,483.68 is: 533,220.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,115.68 : 1,953,153.44 = 355,483.68 : x
  2. Step 2: Convert to fraction form
    1,302,115.68/1,953,153.44 = 355,483.68/x
  3. Step 3: Cross multiply
    1,302,115.68x = 1,953,153.44 × 355,483.68
  4. Step 4: Simplify right side
    1,302,115.68x = 694,314,172,455.86
  5. Step 5: Solve for x
    x = 694,314,172,455.86/1,302,115.68
  6. Step 6: Final answer
    x = 533,220.04

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Half scale
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Double scale
Find fourth proportional to 1,302,116.68, 1,953,154.94 and 355,484.68
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.