Home / 714,180.74-985,536.29-391,882.82

Finding the Fourth Proportional to 714,180.74, 985,536.29 and 391,882.82

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Solution

The fourth proportional to 714,180.74, 985,536.29 and 391,882.82 is: 540,780.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,180.74 : 985,536.29 = 391,882.82 : x
  2. Step 2: Convert to fraction form
    714,180.74/985,536.29 = 391,882.82/x
  3. Step 3: Cross multiply
    714,180.74x = 985,536.29 × 391,882.82
  4. Step 4: Simplify right side
    714,180.74x = 386,214,740,537.54
  5. Step 5: Solve for x
    x = 386,214,740,537.54/714,180.74
  6. Step 6: Final answer
    x = 540,780.11

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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.