Home / 1,079,195.90-1,619,247.45-579,976.70

Finding the Fourth Proportional to 1,079,195.90, 1,619,247.45 and 579,976.70

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Solution

The fourth proportional to 1,079,195.90, 1,619,247.45 and 579,976.70 is: 870,208.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,195.90 : 1,619,247.45 = 579,976.70 : x
  2. Step 2: Convert to fraction form
    1,079,195.90/1,619,247.45 = 579,976.70/x
  3. Step 3: Cross multiply
    1,079,195.90x = 1,619,247.45 × 579,976.70
  4. Step 4: Simplify right side
    1,079,195.90x = 939,125,792,534.42
  5. Step 5: Solve for x
    x = 939,125,792,534.42/1,079,195.90
  6. Step 6: Final answer
    x = 870,208.82

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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.