Home / 423,877.12-636,077.76-246,467.20

Finding the Fourth Proportional to 423,877.12, 636,077.76 and 246,467.20

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Solution

The fourth proportional to 423,877.12, 636,077.76 and 246,467.20 is: 369,853.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,877.12 : 636,077.76 = 246,467.20 : x
  2. Step 2: Convert to fraction form
    423,877.12/636,077.76 = 246,467.20/x
  3. Step 3: Cross multiply
    423,877.12x = 636,077.76 × 246,467.20
  4. Step 4: Simplify right side
    423,877.12x = 156,772,304,489.47
  5. Step 5: Solve for x
    x = 156,772,304,489.47/423,877.12
  6. Step 6: Final answer
    x = 369,853.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.