Home / 461,112.70-636,384.45-270,286.42

Finding the Fourth Proportional to 461,112.70, 636,384.45 and 270,286.42

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Solution

The fourth proportional to 461,112.70, 636,384.45 and 270,286.42 is: 373,023.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,112.70 : 636,384.45 = 270,286.42 : x
  2. Step 2: Convert to fraction form
    461,112.70/636,384.45 = 270,286.42/x
  3. Step 3: Cross multiply
    461,112.70x = 636,384.45 × 270,286.42
  4. Step 4: Simplify right side
    461,112.70x = 172,006,074,734.17
  5. Step 5: Solve for x
    x = 172,006,074,734.17/461,112.70
  6. Step 6: Final answer
    x = 373,023.94

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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.