Home / 906,733.17-1,251,470.65-519,808.42

Finding the Fourth Proportional to 906,733.17, 1,251,470.65 and 519,808.42

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Solution

The fourth proportional to 906,733.17, 1,251,470.65 and 519,808.42 is: 717,438.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,733.17 : 1,251,470.65 = 519,808.42 : x
  2. Step 2: Convert to fraction form
    906,733.17/1,251,470.65 = 519,808.42/x
  3. Step 3: Cross multiply
    906,733.17x = 1,251,470.65 × 519,808.42
  4. Step 4: Simplify right side
    906,733.17x = 650,524,974,995.52
  5. Step 5: Solve for x
    x = 650,524,974,995.52/906,733.17
  6. Step 6: Final answer
    x = 717,438.16

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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.