Home / 725,008.60-1,086,476.10-533,978.20

Finding the Fourth Proportional to 725,008.60, 1,086,476.10 and 533,978.20

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Solution

The fourth proportional to 725,008.60, 1,086,476.10 and 533,978.20 is: 800,203.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,008.60 : 1,086,476.10 = 533,978.20 : x
  2. Step 2: Convert to fraction form
    725,008.60/1,086,476.10 = 533,978.20/x
  3. Step 3: Cross multiply
    725,008.60x = 1,086,476.10 × 533,978.20
  4. Step 4: Simplify right side
    725,008.60x = 580,154,552,221.02
  5. Step 5: Solve for x
    x = 580,154,552,221.02/725,008.60
  6. Step 6: Final answer
    x = 800,203.68

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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.