Home / 724,308.10-1,086,462.15-710,311.30

Finding the Fourth Proportional to 724,308.10, 1,086,462.15 and 710,311.30

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Solution

The fourth proportional to 724,308.10, 1,086,462.15 and 710,311.30 is: 1,065,466.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,308.10 : 1,086,462.15 = 710,311.30 : x
  2. Step 2: Convert to fraction form
    724,308.10/1,086,462.15 = 710,311.30/x
  3. Step 3: Cross multiply
    724,308.10x = 1,086,462.15 × 710,311.30
  4. Step 4: Simplify right side
    724,308.10x = 771,726,342,167.30
  5. Step 5: Solve for x
    x = 771,726,342,167.30/724,308.10
  6. Step 6: Final answer
    x = 1,065,466.95

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Double scale
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Similar ratio
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1.5x scale

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.