Home / 861,577.04-1,189,110-517,604.44

Finding the Fourth Proportional to 861,577.04, 1,189,110 and 517,604.44

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Solution

The fourth proportional to 861,577.04, 1,189,110 and 517,604.44 is: 714,374.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,577.04 : 1,189,110 = 517,604.44 : x
  2. Step 2: Convert to fraction form
    861,577.04/1,189,110 = 517,604.44/x
  3. Step 3: Cross multiply
    861,577.04x = 1,189,110 × 517,604.44
  4. Step 4: Simplify right side
    861,577.04x = 615,488,615,648.40
  5. Step 5: Solve for x
    x = 615,488,615,648.40/861,577.04
  6. Step 6: Final answer
    x = 714,374.44

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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.