Home / 698,155.92-1,047,213.02-192,747.76

Finding the Fourth Proportional to 698,155.92, 1,047,213.02 and 192,747.76

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Solution

The fourth proportional to 698,155.92, 1,047,213.02 and 192,747.76 is: 289,115.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,155.92 : 1,047,213.02 = 192,747.76 : x
  2. Step 2: Convert to fraction form
    698,155.92/1,047,213.02 = 192,747.76/x
  3. Step 3: Cross multiply
    698,155.92x = 1,047,213.02 × 192,747.76
  4. Step 4: Simplify right side
    698,155.92x = 201,847,963,847.84
  5. Step 5: Solve for x
    x = 201,847,963,847.84/698,155.92
  6. Step 6: Final answer
    x = 289,115.88

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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.