Home / 466,297.47-643,514.19-275,306.76

Finding the Fourth Proportional to 466,297.47, 643,514.19 and 275,306.76

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Solution

The fourth proportional to 466,297.47, 643,514.19 and 275,306.76 is: 379,937.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,297.47 : 643,514.19 = 275,306.76 : x
  2. Step 2: Convert to fraction form
    466,297.47/643,514.19 = 275,306.76/x
  3. Step 3: Cross multiply
    466,297.47x = 643,514.19 × 275,306.76
  4. Step 4: Simplify right side
    466,297.47x = 177,163,806,662.92
  5. Step 5: Solve for x
    x = 177,163,806,662.92/466,297.47
  6. Step 6: Final answer
    x = 379,937.31

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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.