Home / 461,239.92-636,514.56-257,304.18

Finding the Fourth Proportional to 461,239.92, 636,514.56 and 257,304.18

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Solution

The fourth proportional to 461,239.92, 636,514.56 and 257,304.18 is: 355,081.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,239.92 : 636,514.56 = 257,304.18 : x
  2. Step 2: Convert to fraction form
    461,239.92/636,514.56 = 257,304.18/x
  3. Step 3: Cross multiply
    461,239.92x = 636,514.56 × 257,304.18
  4. Step 4: Simplify right side
    461,239.92x = 163,777,856,918.86
  5. Step 5: Solve for x
    x = 163,777,856,918.86/461,239.92
  6. Step 6: Final answer
    x = 355,081.70

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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.