Home / 1,041,421.20-1,562,131.80-376,417.68

Finding the Fourth Proportional to 1,041,421.20, 1,562,131.80 and 376,417.68

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Solution

The fourth proportional to 1,041,421.20, 1,562,131.80 and 376,417.68 is: 564,626.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,421.20 : 1,562,131.80 = 376,417.68 : x
  2. Step 2: Convert to fraction form
    1,041,421.20/1,562,131.80 = 376,417.68/x
  3. Step 3: Cross multiply
    1,041,421.20x = 1,562,131.80 × 376,417.68
  4. Step 4: Simplify right side
    1,041,421.20x = 588,014,028,010.22
  5. Step 5: Solve for x
    x = 588,014,028,010.22/1,041,421.20
  6. Step 6: Final answer
    x = 564,626.52

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Half scale
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Double scale
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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.