Home / 431,974.23-647,887.50-116,357.33

Finding the Fourth Proportional to 431,974.23, 647,887.50 and 116,357.33

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Solution

The fourth proportional to 431,974.23, 647,887.50 and 116,357.33 is: 174,516.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,974.23 : 647,887.50 = 116,357.33 : x
  2. Step 2: Convert to fraction form
    431,974.23/647,887.50 = 116,357.33/x
  3. Step 3: Cross multiply
    431,974.23x = 647,887.50 × 116,357.33
  4. Step 4: Simplify right side
    431,974.23x = 75,386,459,266.86
  5. Step 5: Solve for x
    x = 75,386,459,266.86/431,974.23
  6. Step 6: Final answer
    x = 174,516.10

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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.