Home / 709,864.71-1,063,719.66-520,451.17

Finding the Fourth Proportional to 709,864.71, 1,063,719.66 and 520,451.17

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Solution

The fourth proportional to 709,864.71, 1,063,719.66 and 520,451.17 is: 779,886.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,864.71 : 1,063,719.66 = 520,451.17 : x
  2. Step 2: Convert to fraction form
    709,864.71/1,063,719.66 = 520,451.17/x
  3. Step 3: Cross multiply
    709,864.71x = 1,063,719.66 × 520,451.17
  4. Step 4: Simplify right side
    709,864.71x = 553,614,141,599.00
  5. Step 5: Solve for x
    x = 553,614,141,599.00/709,864.71
  6. Step 6: Final answer
    x = 779,886.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.