Home / 729,113.90-1,093,670.85-658,255.10

Finding the Fourth Proportional to 729,113.90, 1,093,670.85 and 658,255.10

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Solution

The fourth proportional to 729,113.90, 1,093,670.85 and 658,255.10 is: 987,382.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,113.90 : 1,093,670.85 = 658,255.10 : x
  2. Step 2: Convert to fraction form
    729,113.90/1,093,670.85 = 658,255.10/x
  3. Step 3: Cross multiply
    729,113.90x = 1,093,670.85 × 658,255.10
  4. Step 4: Simplify right side
    729,113.90x = 719,914,414,733.84
  5. Step 5: Solve for x
    x = 719,914,414,733.84/729,113.90
  6. Step 6: Final answer
    x = 987,382.65

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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.