Home / 415,717.48-573,846.13-272,486.75

Finding the Fourth Proportional to 415,717.48, 573,846.13 and 272,486.75

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Solution

The fourth proportional to 415,717.48, 573,846.13 and 272,486.75 is: 376,133.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,717.48 : 573,846.13 = 272,486.75 : x
  2. Step 2: Convert to fraction form
    415,717.48/573,846.13 = 272,486.75/x
  3. Step 3: Cross multiply
    415,717.48x = 573,846.13 × 272,486.75
  4. Step 4: Simplify right side
    415,717.48x = 156,365,466,963.78
  5. Step 5: Solve for x
    x = 156,365,466,963.78/415,717.48
  6. Step 6: Final answer
    x = 376,133.97

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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.