Home / 487,033.43-672,104.18-272,173.43

Finding the Fourth Proportional to 487,033.43, 672,104.18 and 272,173.43

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Solution

The fourth proportional to 487,033.43, 672,104.18 and 272,173.43 is: 375,598.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,033.43 : 672,104.18 = 272,173.43 : x
  2. Step 2: Convert to fraction form
    487,033.43/672,104.18 = 272,173.43/x
  3. Step 3: Cross multiply
    487,033.43x = 672,104.18 × 272,173.43
  4. Step 4: Simplify right side
    487,033.43x = 182,928,902,348.63
  5. Step 5: Solve for x
    x = 182,928,902,348.63/487,033.43
  6. Step 6: Final answer
    x = 375,598.25

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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.