Home / 1,251,614.28-1,727,216.74-707,857.16

Finding the Fourth Proportional to 1,251,614.28, 1,727,216.74 and 707,857.16

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Solution

The fourth proportional to 1,251,614.28, 1,727,216.74 and 707,857.16 is: 976,836.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,614.28 : 1,727,216.74 = 707,857.16 : x
  2. Step 2: Convert to fraction form
    1,251,614.28/1,727,216.74 = 707,857.16/x
  3. Step 3: Cross multiply
    1,251,614.28x = 1,727,216.74 × 707,857.16
  4. Step 4: Simplify right side
    1,251,614.28x = 1,222,622,736,280.86
  5. Step 5: Solve for x
    x = 1,222,622,736,280.86/1,251,614.28
  6. Step 6: Final answer
    x = 976,836.68

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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.