Home / 497,941.39-687,167.31-271,586.89

Finding the Fourth Proportional to 497,941.39, 687,167.31 and 271,586.89

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Solution

The fourth proportional to 497,941.39, 687,167.31 and 271,586.89 is: 374,794.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,941.39 : 687,167.31 = 271,586.89 : x
  2. Step 2: Convert to fraction form
    497,941.39/687,167.31 = 271,586.89/x
  3. Step 3: Cross multiply
    497,941.39x = 687,167.31 × 271,586.89
  4. Step 4: Simplify right side
    497,941.39x = 186,625,632,632.57
  5. Step 5: Solve for x
    x = 186,625,632,632.57/497,941.39
  6. Step 6: Final answer
    x = 374,794.38

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Double scale
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Similar ratio
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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.