Home / 487,034.93-672,106.25-272,174.94

Finding the Fourth Proportional to 487,034.93, 672,106.25 and 272,174.94

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Solution

The fourth proportional to 487,034.93, 672,106.25 and 272,174.94 is: 375,600.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,034.93 : 672,106.25 = 272,174.94 : x
  2. Step 2: Convert to fraction form
    487,034.93/672,106.25 = 272,174.94/x
  3. Step 3: Cross multiply
    487,034.93x = 672,106.25 × 272,174.94
  4. Step 4: Simplify right side
    487,034.93x = 182,930,476,906.50
  5. Step 5: Solve for x
    x = 182,930,476,906.50/487,034.93
  6. Step 6: Final answer
    x = 375,600.33

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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.