Home / 917,177.92-1,375,043.32-579,506.92

Finding the Fourth Proportional to 917,177.92, 1,375,043.32 and 579,506.92

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Solution

The fourth proportional to 917,177.92, 1,375,043.32 and 579,506.92 is: 868,803.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,177.92 : 1,375,043.32 = 579,506.92 : x
  2. Step 2: Convert to fraction form
    917,177.92/1,375,043.32 = 579,506.92/x
  3. Step 3: Cross multiply
    917,177.92x = 1,375,043.32 × 579,506.92
  4. Step 4: Simplify right side
    917,177.92x = 796,847,119,239.78
  5. Step 5: Solve for x
    x = 796,847,119,239.78/917,177.92
  6. Step 6: Final answer
    x = 868,803.21

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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.