Home / 725,140.60-1,086,674.10-534,110.20

Finding the Fourth Proportional to 725,140.60, 1,086,674.10 and 534,110.20

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Solution

The fourth proportional to 725,140.60, 1,086,674.10 and 534,110.20 is: 800,401.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,140.60 : 1,086,674.10 = 534,110.20 : x
  2. Step 2: Convert to fraction form
    725,140.60/1,086,674.10 = 534,110.20/x
  3. Step 3: Cross multiply
    725,140.60x = 1,086,674.10 × 534,110.20
  4. Step 4: Simplify right side
    725,140.60x = 580,403,720,885.82
  5. Step 5: Solve for x
    x = 580,403,720,885.82/725,140.60
  6. Step 6: Final answer
    x = 800,401.63

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Double scale
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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.