Home / 1,298,096.37-1,791,363.17-717,358.65

Finding the Fourth Proportional to 1,298,096.37, 1,791,363.17 and 717,358.65

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Solution

The fourth proportional to 1,298,096.37, 1,791,363.17 and 717,358.65 is: 989,949.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,096.37 : 1,791,363.17 = 717,358.65 : x
  2. Step 2: Convert to fraction form
    1,298,096.37/1,791,363.17 = 717,358.65/x
  3. Step 3: Cross multiply
    1,298,096.37x = 1,791,363.17 × 717,358.65
  4. Step 4: Simplify right side
    1,298,096.37x = 1,285,049,861,704.13
  5. Step 5: Solve for x
    x = 1,285,049,861,704.13/1,298,096.37
  6. Step 6: Final answer
    x = 989,949.51

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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.