Home / 714,002.87-985,411.19-408,092.15

Finding the Fourth Proportional to 714,002.87, 985,411.19 and 408,092.15

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Solution

The fourth proportional to 714,002.87, 985,411.19 and 408,092.15 is: 563,217.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,002.87 : 985,411.19 = 408,092.15 : x
  2. Step 2: Convert to fraction form
    714,002.87/985,411.19 = 408,092.15/x
  3. Step 3: Cross multiply
    714,002.87x = 985,411.19 × 408,092.15
  4. Step 4: Simplify right side
    714,002.87x = 402,138,574,644.92
  5. Step 5: Solve for x
    x = 402,138,574,644.92/714,002.87
  6. Step 6: Final answer
    x = 563,217.03

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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.