Home / 1,281,656.28-1,923,640.02-683,115.96

Finding the Fourth Proportional to 1,281,656.28, 1,923,640.02 and 683,115.96

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Solution

The fourth proportional to 1,281,656.28, 1,923,640.02 and 683,115.96 is: 1,025,289.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,656.28 : 1,923,640.02 = 683,115.96 : x
  2. Step 2: Convert to fraction form
    1,281,656.28/1,923,640.02 = 683,115.96/x
  3. Step 3: Cross multiply
    1,281,656.28x = 1,923,640.02 × 683,115.96
  4. Step 4: Simplify right side
    1,281,656.28x = 1,314,069,198,956.72
  5. Step 5: Solve for x
    x = 1,314,069,198,956.72/1,281,656.28
  6. Step 6: Final answer
    x = 1,025,289.87

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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.