Home / 461,077.85-636,290.17-257,141.66

Finding the Fourth Proportional to 461,077.85, 636,290.17 and 257,141.66

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Solution

The fourth proportional to 461,077.85, 636,290.17 and 257,141.66 is: 354,857.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,077.85 : 636,290.17 = 257,141.66 : x
  2. Step 2: Convert to fraction form
    461,077.85/636,290.17 = 257,141.66/x
  3. Step 3: Cross multiply
    461,077.85x = 636,290.17 × 257,141.66
  4. Step 4: Simplify right side
    461,077.85x = 163,616,706,731.18
  5. Step 5: Solve for x
    x = 163,616,706,731.18/461,077.85
  6. Step 6: Final answer
    x = 354,857.01

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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.