Home / 746,344.20-1,030,121.10-474,359.16

Finding the Fourth Proportional to 746,344.20, 1,030,121.10 and 474,359.16

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Solution

The fourth proportional to 746,344.20, 1,030,121.10 and 474,359.16 is: 654,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,344.20 : 1,030,121.10 = 474,359.16 : x
  2. Step 2: Convert to fraction form
    746,344.20/1,030,121.10 = 474,359.16/x
  3. Step 3: Cross multiply
    746,344.20x = 1,030,121.10 × 474,359.16
  4. Step 4: Simplify right side
    746,344.20x = 488,647,379,694.28
  5. Step 5: Solve for x
    x = 488,647,379,694.28/746,344.20
  6. Step 6: Final answer
    x = 654,721.21

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.