Home / 401,785.92-602,708.04-121,325.04

Finding the Fourth Proportional to 401,785.92, 602,708.04 and 121,325.04

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Solution

The fourth proportional to 401,785.92, 602,708.04 and 121,325.04 is: 181,996.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,785.92 : 602,708.04 = 121,325.04 : x
  2. Step 2: Convert to fraction form
    401,785.92/602,708.04 = 121,325.04/x
  3. Step 3: Cross multiply
    401,785.92x = 602,708.04 × 121,325.04
  4. Step 4: Simplify right side
    401,785.92x = 73,123,577,061.32
  5. Step 5: Solve for x
    x = 73,123,577,061.32/401,785.92
  6. Step 6: Final answer
    x = 181,996.37

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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.