Home / 1,136,769.28-1,568,741.76-627,471.76

Finding the Fourth Proportional to 1,136,769.28, 1,568,741.76 and 627,471.76

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Solution

The fourth proportional to 1,136,769.28, 1,568,741.76 and 627,471.76 is: 865,911.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,769.28 : 1,568,741.76 = 627,471.76 : x
  2. Step 2: Convert to fraction form
    1,136,769.28/1,568,741.76 = 627,471.76/x
  3. Step 3: Cross multiply
    1,136,769.28x = 1,568,741.76 × 627,471.76
  4. Step 4: Simplify right side
    1,136,769.28x = 984,341,153,132.70
  5. Step 5: Solve for x
    x = 984,341,153,132.70/1,136,769.28
  6. Step 6: Final answer
    x = 865,911.11

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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.