Home / 487,026.27-672,110.70-272,166.96

Finding the Fourth Proportional to 487,026.27, 672,110.70 and 272,166.96

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Solution

The fourth proportional to 487,026.27, 672,110.70 and 272,166.96 is: 375,598.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,026.27 : 672,110.70 = 272,166.96 : x
  2. Step 2: Convert to fraction form
    487,026.27/672,110.70 = 272,166.96/x
  3. Step 3: Cross multiply
    487,026.27x = 672,110.70 × 272,166.96
  4. Step 4: Simplify right side
    487,026.27x = 182,926,326,002.47
  5. Step 5: Solve for x
    x = 182,926,326,002.47/487,026.27
  6. Step 6: Final answer
    x = 375,598.48

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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.