Home / 819,585.88-1,131,042.48-452,105.20

Finding the Fourth Proportional to 819,585.88, 1,131,042.48 and 452,105.20

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Solution

The fourth proportional to 819,585.88, 1,131,042.48 and 452,105.20 is: 623,912.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,585.88 : 1,131,042.48 = 452,105.20 : x
  2. Step 2: Convert to fraction form
    819,585.88/1,131,042.48 = 452,105.20/x
  3. Step 3: Cross multiply
    819,585.88x = 1,131,042.48 × 452,105.20
  4. Step 4: Simplify right side
    819,585.88x = 511,350,186,628.90
  5. Step 5: Solve for x
    x = 511,350,186,628.90/819,585.88
  6. Step 6: Final answer
    x = 623,912.88

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.