Home / 693,384.28-956,851.92-387,463.18

Finding the Fourth Proportional to 693,384.28, 956,851.92 and 387,463.18

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Solution

The fourth proportional to 693,384.28, 956,851.92 and 387,463.18 is: 534,688.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,384.28 : 956,851.92 = 387,463.18 : x
  2. Step 2: Convert to fraction form
    693,384.28/956,851.92 = 387,463.18/x
  3. Step 3: Cross multiply
    693,384.28x = 956,851.92 × 387,463.18
  4. Step 4: Simplify right side
    693,384.28x = 370,744,887,114.27
  5. Step 5: Solve for x
    x = 370,744,887,114.27/693,384.28
  6. Step 6: Final answer
    x = 534,688.91

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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.