Home / 487,067.60-672,148.04-269,275.34

Finding the Fourth Proportional to 487,067.60, 672,148.04 and 269,275.34

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Solution

The fourth proportional to 487,067.60, 672,148.04 and 269,275.34 is: 371,597.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,067.60 : 672,148.04 = 269,275.34 : x
  2. Step 2: Convert to fraction form
    487,067.60/672,148.04 = 269,275.34/x
  3. Step 3: Cross multiply
    487,067.60x = 672,148.04 × 269,275.34
  4. Step 4: Simplify right side
    487,067.60x = 180,992,892,001.33
  5. Step 5: Solve for x
    x = 180,992,892,001.33/487,067.60
  6. Step 6: Final answer
    x = 371,597.07

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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.