Home / 677,042.45-1,015,957.33-534,012.65

Finding the Fourth Proportional to 677,042.45, 1,015,957.33 and 534,012.65

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Solution

The fourth proportional to 677,042.45, 1,015,957.33 and 534,012.65 is: 801,329.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,042.45 : 1,015,957.33 = 534,012.65 : x
  2. Step 2: Convert to fraction form
    677,042.45/1,015,957.33 = 534,012.65/x
  3. Step 3: Cross multiply
    677,042.45x = 1,015,957.33 × 534,012.65
  4. Step 4: Simplify right side
    677,042.45x = 542,534,058,330.38
  5. Step 5: Solve for x
    x = 542,534,058,330.38/677,042.45
  6. Step 6: Final answer
    x = 801,329.46

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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.