Home / 653,815.68-980,750.64-204,545.16

Finding the Fourth Proportional to 653,815.68, 980,750.64 and 204,545.16

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Solution

The fourth proportional to 653,815.68, 980,750.64 and 204,545.16 is: 306,826.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,815.68 : 980,750.64 = 204,545.16 : x
  2. Step 2: Convert to fraction form
    653,815.68/980,750.64 = 204,545.16/x
  3. Step 3: Cross multiply
    653,815.68x = 980,750.64 × 204,545.16
  4. Step 4: Simplify right side
    653,815.68x = 200,607,796,578.90
  5. Step 5: Solve for x
    x = 200,607,796,578.90/653,815.68
  6. Step 6: Final answer
    x = 306,826.22

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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.