Home / 867,329.91-1,195,768.46-711,711.18

Finding the Fourth Proportional to 867,329.91, 1,195,768.46 and 711,711.18

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Solution

The fourth proportional to 867,329.91, 1,195,768.46 and 711,711.18 is: 981,220.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,329.91 : 1,195,768.46 = 711,711.18 : x
  2. Step 2: Convert to fraction form
    867,329.91/1,195,768.46 = 711,711.18/x
  3. Step 3: Cross multiply
    867,329.91x = 1,195,768.46 × 711,711.18
  4. Step 4: Simplify right side
    867,329.91x = 851,041,783,452.66
  5. Step 5: Solve for x
    x = 851,041,783,452.66/867,329.91
  6. Step 6: Final answer
    x = 981,220.38

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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.