Home / 725,045.60-1,086,531.60-534,015.20

Finding the Fourth Proportional to 725,045.60, 1,086,531.60 and 534,015.20

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Solution

The fourth proportional to 725,045.60, 1,086,531.60 and 534,015.20 is: 800,259.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,045.60 : 1,086,531.60 = 534,015.20 : x
  2. Step 2: Convert to fraction form
    725,045.60/1,086,531.60 = 534,015.20/x
  3. Step 3: Cross multiply
    725,045.60x = 1,086,531.60 × 534,015.20
  4. Step 4: Simplify right side
    725,045.60x = 580,224,389,680.32
  5. Step 5: Solve for x
    x = 580,224,389,680.32/725,045.60
  6. Step 6: Final answer
    x = 800,259.17

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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.