Home / 1,192,153.20-1,787,565.45-393,220.23

Finding the Fourth Proportional to 1,192,153.20, 1,787,565.45 and 393,220.23

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Solution

The fourth proportional to 1,192,153.20, 1,787,565.45 and 393,220.23 is: 589,611.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,153.20 : 1,787,565.45 = 393,220.23 : x
  2. Step 2: Convert to fraction form
    1,192,153.20/1,787,565.45 = 393,220.23/x
  3. Step 3: Cross multiply
    1,192,153.20x = 1,787,565.45 × 393,220.23
  4. Step 4: Simplify right side
    1,192,153.20x = 702,906,897,389.05
  5. Step 5: Solve for x
    x = 702,906,897,389.05/1,192,153.20
  6. Step 6: Final answer
    x = 589,611.22

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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.