Home / 861,310.80-1,291,966.20-595,590.30

Finding the Fourth Proportional to 861,310.80, 1,291,966.20 and 595,590.30

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Solution

The fourth proportional to 861,310.80, 1,291,966.20 and 595,590.30 is: 893,385.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,310.80 : 1,291,966.20 = 595,590.30 : x
  2. Step 2: Convert to fraction form
    861,310.80/1,291,966.20 = 595,590.30/x
  3. Step 3: Cross multiply
    861,310.80x = 1,291,966.20 × 595,590.30
  4. Step 4: Simplify right side
    861,310.80x = 769,482,536,647.86
  5. Step 5: Solve for x
    x = 769,482,536,647.86/861,310.80
  6. Step 6: Final answer
    x = 893,385.45

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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.