Home / 724,593.90-1,086,890.85-623,117.10

Finding the Fourth Proportional to 724,593.90, 1,086,890.85 and 623,117.10

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Solution

The fourth proportional to 724,593.90, 1,086,890.85 and 623,117.10 is: 934,675.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,593.90 : 1,086,890.85 = 623,117.10 : x
  2. Step 2: Convert to fraction form
    724,593.90/1,086,890.85 = 623,117.10/x
  3. Step 3: Cross multiply
    724,593.90x = 1,086,890.85 × 623,117.10
  4. Step 4: Simplify right side
    724,593.90x = 677,260,274,468.54
  5. Step 5: Solve for x
    x = 677,260,274,468.54/724,593.90
  6. Step 6: Final answer
    x = 934,675.65

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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.