Home / 1,192,144.58-1,645,231.20-702,440.40

Finding the Fourth Proportional to 1,192,144.58, 1,645,231.20 and 702,440.40

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Solution

The fourth proportional to 1,192,144.58, 1,645,231.20 and 702,440.40 is: 969,409.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,144.58 : 1,645,231.20 = 702,440.40 : x
  2. Step 2: Convert to fraction form
    1,192,144.58/1,645,231.20 = 702,440.40/x
  3. Step 3: Cross multiply
    1,192,144.58x = 1,645,231.20 × 702,440.40
  4. Step 4: Simplify right side
    1,192,144.58x = 1,155,676,865,755.95
  5. Step 5: Solve for x
    x = 1,155,676,865,755.95/1,192,144.58
  6. Step 6: Final answer
    x = 969,409.99

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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.