Home / 461,436.35-636,788.18-267,889.28

Finding the Fourth Proportional to 461,436.35, 636,788.18 and 267,889.28

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Solution

The fourth proportional to 461,436.35, 636,788.18 and 267,889.28 is: 369,690.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,436.35 : 636,788.18 = 267,889.28 : x
  2. Step 2: Convert to fraction form
    461,436.35/636,788.18 = 267,889.28/x
  3. Step 3: Cross multiply
    461,436.35x = 636,788.18 × 267,889.28
  4. Step 4: Simplify right side
    461,436.35x = 170,588,724,538.49
  5. Step 5: Solve for x
    x = 170,588,724,538.49/461,436.35
  6. Step 6: Final answer
    x = 369,690.70

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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.