Home / 903,614.91-1,246,976.78-516,425.91

Finding the Fourth Proportional to 903,614.91, 1,246,976.78 and 516,425.91

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Solution

The fourth proportional to 903,614.91, 1,246,976.78 and 516,425.91 is: 712,661.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,614.91 : 1,246,976.78 = 516,425.91 : x
  2. Step 2: Convert to fraction form
    903,614.91/1,246,976.78 = 516,425.91/x
  3. Step 3: Cross multiply
    903,614.91x = 1,246,976.78 × 516,425.91
  4. Step 4: Simplify right side
    903,614.91x = 643,971,115,778.24
  5. Step 5: Solve for x
    x = 643,971,115,778.24/903,614.91
  6. Step 6: Final answer
    x = 712,661.01

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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.