Home / 805,732.80-1,206,630.90-604,966.20

Finding the Fourth Proportional to 805,732.80, 1,206,630.90 and 604,966.20

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Solution

The fourth proportional to 805,732.80, 1,206,630.90 and 604,966.20 is: 905,971.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,732.80 : 1,206,630.90 = 604,966.20 : x
  2. Step 2: Convert to fraction form
    805,732.80/1,206,630.90 = 604,966.20/x
  3. Step 3: Cross multiply
    805,732.80x = 1,206,630.90 × 604,966.20
  4. Step 4: Simplify right side
    805,732.80x = 729,970,910,375.58
  5. Step 5: Solve for x
    x = 729,970,910,375.58/805,732.80
  6. Step 6: Final answer
    x = 905,971.45

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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.