Home / 725,025.60-1,086,501.60-533,995.20

Finding the Fourth Proportional to 725,025.60, 1,086,501.60 and 533,995.20

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Solution

The fourth proportional to 725,025.60, 1,086,501.60 and 533,995.20 is: 800,229.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,025.60 : 1,086,501.60 = 533,995.20 : x
  2. Step 2: Convert to fraction form
    725,025.60/1,086,501.60 = 533,995.20/x
  3. Step 3: Cross multiply
    725,025.60x = 1,086,501.60 × 533,995.20
  4. Step 4: Simplify right side
    725,025.60x = 580,186,639,192.32
  5. Step 5: Solve for x
    x = 580,186,639,192.32/725,025.60
  6. Step 6: Final answer
    x = 800,229.18

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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.