Home / 484,514.19-726,715.83-129,555.89

Finding the Fourth Proportional to 484,514.19, 726,715.83 and 129,555.89

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Solution

The fourth proportional to 484,514.19, 726,715.83 and 129,555.89 is: 194,319.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,514.19 : 726,715.83 = 129,555.89 : x
  2. Step 2: Convert to fraction form
    484,514.19/726,715.83 = 129,555.89/x
  3. Step 3: Cross multiply
    484,514.19x = 726,715.83 × 129,555.89
  4. Step 4: Simplify right side
    484,514.19x = 94,150,313,010.84
  5. Step 5: Solve for x
    x = 94,150,313,010.84/484,514.19
  6. Step 6: Final answer
    x = 194,319.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.