Home / 709,862.96-1,063,717.04-520,449.42

Finding the Fourth Proportional to 709,862.96, 1,063,717.04 and 520,449.42

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Solution

The fourth proportional to 709,862.96, 1,063,717.04 and 520,449.42 is: 779,884.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,862.96 : 1,063,717.04 = 520,449.42 : x
  2. Step 2: Convert to fraction form
    709,862.96/1,063,717.04 = 520,449.42/x
  3. Step 3: Cross multiply
    709,862.96x = 1,063,717.04 × 520,449.42
  4. Step 4: Simplify right side
    709,862.96x = 553,610,913,909.87
  5. Step 5: Solve for x
    x = 553,610,913,909.87/709,862.96
  6. Step 6: Final answer
    x = 779,884.21

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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.