Home / 835,265.80-1,252,023.90-329,631.40

Finding the Fourth Proportional to 835,265.80, 1,252,023.90 and 329,631.40

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Solution

The fourth proportional to 835,265.80, 1,252,023.90 and 329,631.40 is: 494,101.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,265.80 : 1,252,023.90 = 329,631.40 : x
  2. Step 2: Convert to fraction form
    835,265.80/1,252,023.90 = 329,631.40/x
  3. Step 3: Cross multiply
    835,265.80x = 1,252,023.90 × 329,631.40
  4. Step 4: Simplify right side
    835,265.80x = 412,706,390,990.46
  5. Step 5: Solve for x
    x = 412,706,390,990.46/835,265.80
  6. Step 6: Final answer
    x = 494,101.87

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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.