Home / 714,665.27-986,240.01-392,396.24

Finding the Fourth Proportional to 714,665.27, 986,240.01 and 392,396.24

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Solution

The fourth proportional to 714,665.27, 986,240.01 and 392,396.24 is: 541,507.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,665.27 : 986,240.01 = 392,396.24 : x
  2. Step 2: Convert to fraction form
    714,665.27/986,240.01 = 392,396.24/x
  3. Step 3: Cross multiply
    714,665.27x = 986,240.01 × 392,396.24
  4. Step 4: Simplify right side
    714,665.27x = 386,996,875,598.65
  5. Step 5: Solve for x
    x = 386,996,875,598.65/714,665.27
  6. Step 6: Final answer
    x = 541,507.88

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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.