Home / 521,218.80-781,994.16-232,986.24

Finding the Fourth Proportional to 521,218.80, 781,994.16 and 232,986.24

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Solution

The fourth proportional to 521,218.80, 781,994.16 and 232,986.24 is: 349,553.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,218.80 : 781,994.16 = 232,986.24 : x
  2. Step 2: Convert to fraction form
    521,218.80/781,994.16 = 232,986.24/x
  3. Step 3: Cross multiply
    521,218.80x = 781,994.16 × 232,986.24
  4. Step 4: Simplify right side
    521,218.80x = 182,193,879,040.36
  5. Step 5: Solve for x
    x = 182,193,879,040.36/521,218.80
  6. Step 6: Final answer
    x = 349,553.54

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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.