Home / 317,627.72-438,327.11-174,397.04

Finding the Fourth Proportional to 317,627.72, 438,327.11 and 174,397.04

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Solution

The fourth proportional to 317,627.72, 438,327.11 and 174,397.04 is: 240,668.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,627.72 : 438,327.11 = 174,397.04 : x
  2. Step 2: Convert to fraction form
    317,627.72/438,327.11 = 174,397.04/x
  3. Step 3: Cross multiply
    317,627.72x = 438,327.11 × 174,397.04
  4. Step 4: Simplify right side
    317,627.72x = 76,442,950,535.75
  5. Step 5: Solve for x
    x = 76,442,950,535.75/317,627.72
  6. Step 6: Final answer
    x = 240,668.39

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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.