Home / 427,587.24-641,472.48-157,716.36

Finding the Fourth Proportional to 427,587.24, 641,472.48 and 157,716.36

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Solution

The fourth proportional to 427,587.24, 641,472.48 and 157,716.36 is: 236,608.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,587.24 : 641,472.48 = 157,716.36 : x
  2. Step 2: Convert to fraction form
    427,587.24/641,472.48 = 157,716.36/x
  3. Step 3: Cross multiply
    427,587.24x = 641,472.48 × 157,716.36
  4. Step 4: Simplify right side
    427,587.24x = 101,170,704,585.77
  5. Step 5: Solve for x
    x = 101,170,704,585.77/427,587.24
  6. Step 6: Final answer
    x = 236,608.33

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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.