Home / 475,938.88-656,789.53-271,987.46

Finding the Fourth Proportional to 475,938.88, 656,789.53 and 271,987.46

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Solution

The fourth proportional to 475,938.88, 656,789.53 and 271,987.46 is: 375,339.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,938.88 : 656,789.53 = 271,987.46 : x
  2. Step 2: Convert to fraction form
    475,938.88/656,789.53 = 271,987.46/x
  3. Step 3: Cross multiply
    475,938.88x = 656,789.53 × 271,987.46
  4. Step 4: Simplify right side
    475,938.88x = 178,638,516,019.29
  5. Step 5: Solve for x
    x = 178,638,516,019.29/475,938.88
  6. Step 6: Final answer
    x = 375,339.19

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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.