Home / 862,167.68-1,189,746.24-480,187.52

Finding the Fourth Proportional to 862,167.68, 1,189,746.24 and 480,187.52

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Solution

The fourth proportional to 862,167.68, 1,189,746.24 and 480,187.52 is: 662,633.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,167.68 : 1,189,746.24 = 480,187.52 : x
  2. Step 2: Convert to fraction form
    862,167.68/1,189,746.24 = 480,187.52/x
  3. Step 3: Cross multiply
    862,167.68x = 1,189,746.24 × 480,187.52
  4. Step 4: Simplify right side
    862,167.68x = 571,301,296,414.93
  5. Step 5: Solve for x
    x = 571,301,296,414.93/862,167.68
  6. Step 6: Final answer
    x = 662,633.63

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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.