Home / 519,099.18-778,769.86-177,545.25

Finding the Fourth Proportional to 519,099.18, 778,769.86 and 177,545.25

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Solution

The fourth proportional to 519,099.18, 778,769.86 and 177,545.25 is: 266,359.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,099.18 : 778,769.86 = 177,545.25 : x
  2. Step 2: Convert to fraction form
    519,099.18/778,769.86 = 177,545.25/x
  3. Step 3: Cross multiply
    519,099.18x = 778,769.86 × 177,545.25
  4. Step 4: Simplify right side
    519,099.18x = 138,266,889,375.20
  5. Step 5: Solve for x
    x = 138,266,889,375.20/519,099.18
  6. Step 6: Final answer
    x = 266,359.29

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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.