Home / 1,015,107.68-1,521,000.41-614,534.33

Finding the Fourth Proportional to 1,015,107.68, 1,521,000.41 and 614,534.33

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Solution

The fourth proportional to 1,015,107.68, 1,521,000.41 and 614,534.33 is: 920,795.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,107.68 : 1,521,000.41 = 614,534.33 : x
  2. Step 2: Convert to fraction form
    1,015,107.68/1,521,000.41 = 614,534.33/x
  3. Step 3: Cross multiply
    1,015,107.68x = 1,521,000.41 × 614,534.33
  4. Step 4: Simplify right side
    1,015,107.68x = 934,706,957,211.40
  5. Step 5: Solve for x
    x = 934,706,957,211.40/1,015,107.68
  6. Step 6: Final answer
    x = 920,795.87

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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.