Home / 1,012,134.80-1,516,452.60-478,506.80

Finding the Fourth Proportional to 1,012,134.80, 1,516,452.60 and 478,506.80

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Solution

The fourth proportional to 1,012,134.80, 1,516,452.60 and 478,506.80 is: 716,933.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,134.80 : 1,516,452.60 = 478,506.80 : x
  2. Step 2: Convert to fraction form
    1,012,134.80/1,516,452.60 = 478,506.80/x
  3. Step 3: Cross multiply
    1,012,134.80x = 1,516,452.60 × 478,506.80
  4. Step 4: Simplify right side
    1,012,134.80x = 725,632,880,977.68
  5. Step 5: Solve for x
    x = 725,632,880,977.68/1,012,134.80
  6. Step 6: Final answer
    x = 716,933.04

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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.