Home / 709,865.71-1,063,721.16-520,452.17

Finding the Fourth Proportional to 709,865.71, 1,063,721.16 and 520,452.17

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Solution

The fourth proportional to 709,865.71, 1,063,721.16 and 520,452.17 is: 779,888.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,865.71 : 1,063,721.16 = 520,452.17 : x
  2. Step 2: Convert to fraction form
    709,865.71/1,063,721.16 = 520,452.17/x
  3. Step 3: Cross multiply
    709,865.71x = 1,063,721.16 × 520,452.17
  4. Step 4: Simplify right side
    709,865.71x = 553,615,985,996.92
  5. Step 5: Solve for x
    x = 553,615,985,996.92/709,865.71
  6. Step 6: Final answer
    x = 779,888.33

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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.