Home / 919,953.90-1,377,306.45-814,977.90

Finding the Fourth Proportional to 919,953.90, 1,377,306.45 and 814,977.90

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Solution

The fourth proportional to 919,953.90, 1,377,306.45 and 814,977.90 is: 1,220,141.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,953.90 : 1,377,306.45 = 814,977.90 : x
  2. Step 2: Convert to fraction form
    919,953.90/1,377,306.45 = 814,977.90/x
  3. Step 3: Cross multiply
    919,953.90x = 1,377,306.45 × 814,977.90
  4. Step 4: Simplify right side
    919,953.90x = 1,122,474,318,277.46
  5. Step 5: Solve for x
    x = 1,122,474,318,277.46/919,953.90
  6. Step 6: Final answer
    x = 1,220,141.92

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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.