Home / 410,629.19-615,943.76-154,509.89

Finding the Fourth Proportional to 410,629.19, 615,943.76 and 154,509.89

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Solution

The fourth proportional to 410,629.19, 615,943.76 and 154,509.89 is: 231,764.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,629.19 : 615,943.76 = 154,509.89 : x
  2. Step 2: Convert to fraction form
    410,629.19/615,943.76 = 154,509.89/x
  3. Step 3: Cross multiply
    410,629.19x = 615,943.76 × 154,509.89
  4. Step 4: Simplify right side
    410,629.19x = 95,169,398,751.52
  5. Step 5: Solve for x
    x = 95,169,398,751.52/410,629.19
  6. Step 6: Final answer
    x = 231,764.82

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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.