Home / 317,627.28-438,326.51-174,396.60

Finding the Fourth Proportional to 317,627.28, 438,326.51 and 174,396.60

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Solution

The fourth proportional to 317,627.28, 438,326.51 and 174,396.60 is: 240,667.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,627.28 : 438,326.51 = 174,396.60 : x
  2. Step 2: Convert to fraction form
    317,627.28/438,326.51 = 174,396.60/x
  3. Step 3: Cross multiply
    317,627.28x = 438,326.51 × 174,396.60
  4. Step 4: Simplify right side
    317,627.28x = 76,442,652,161.88
  5. Step 5: Solve for x
    x = 76,442,652,161.88/317,627.28
  6. Step 6: Final answer
    x = 240,667.78

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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.