Home / 729,132.30-1,093,698.45-613,658.70

Finding the Fourth Proportional to 729,132.30, 1,093,698.45 and 613,658.70

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Solution

The fourth proportional to 729,132.30, 1,093,698.45 and 613,658.70 is: 920,488.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,132.30 : 1,093,698.45 = 613,658.70 : x
  2. Step 2: Convert to fraction form
    729,132.30/1,093,698.45 = 613,658.70/x
  3. Step 3: Cross multiply
    729,132.30x = 1,093,698.45 × 613,658.70
  4. Step 4: Simplify right side
    729,132.30x = 671,157,569,019.02
  5. Step 5: Solve for x
    x = 671,157,569,019.02/729,132.30
  6. Step 6: Final answer
    x = 920,488.05

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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.