Home / 923,687.20-1,274,978.64-541,868.32

Finding the Fourth Proportional to 923,687.20, 1,274,978.64 and 541,868.32

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Solution

The fourth proportional to 923,687.20, 1,274,978.64 and 541,868.32 is: 747,948.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,687.20 : 1,274,978.64 = 541,868.32 : x
  2. Step 2: Convert to fraction form
    923,687.20/1,274,978.64 = 541,868.32/x
  3. Step 3: Cross multiply
    923,687.20x = 1,274,978.64 × 541,868.32
  4. Step 4: Simplify right side
    923,687.20x = 690,870,533,692.69
  5. Step 5: Solve for x
    x = 690,870,533,692.69/923,687.20
  6. Step 6: Final answer
    x = 747,948.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.