Home / 747,913.52-1,032,120.60-408,382.04

Finding the Fourth Proportional to 747,913.52, 1,032,120.60 and 408,382.04

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Solution

The fourth proportional to 747,913.52, 1,032,120.60 and 408,382.04 is: 563,567.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,913.52 : 1,032,120.60 = 408,382.04 : x
  2. Step 2: Convert to fraction form
    747,913.52/1,032,120.60 = 408,382.04/x
  3. Step 3: Cross multiply
    747,913.52x = 1,032,120.60 × 408,382.04
  4. Step 4: Simplify right side
    747,913.52x = 421,499,516,154.02
  5. Step 5: Solve for x
    x = 421,499,516,154.02/747,913.52
  6. Step 6: Final answer
    x = 563,567.18

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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.