Home / 819,708.17-1,131,195.04-457,132.41

Finding the Fourth Proportional to 819,708.17, 1,131,195.04 and 457,132.41

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Solution

The fourth proportional to 819,708.17, 1,131,195.04 and 457,132.41 is: 630,841.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,708.17 : 1,131,195.04 = 457,132.41 : x
  2. Step 2: Convert to fraction form
    819,708.17/1,131,195.04 = 457,132.41/x
  3. Step 3: Cross multiply
    819,708.17x = 1,131,195.04 × 457,132.41
  4. Step 4: Simplify right side
    819,708.17x = 517,105,913,672.42
  5. Step 5: Solve for x
    x = 517,105,913,672.42/819,708.17
  6. Step 6: Final answer
    x = 630,841.48

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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.