Home / 783,693.60-1,175,540.40-192,717.60

Finding the Fourth Proportional to 783,693.60, 1,175,540.40 and 192,717.60

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Solution

The fourth proportional to 783,693.60, 1,175,540.40 and 192,717.60 is: 289,076.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,693.60 : 1,175,540.40 = 192,717.60 : x
  2. Step 2: Convert to fraction form
    783,693.60/1,175,540.40 = 192,717.60/x
  3. Step 3: Cross multiply
    783,693.60x = 1,175,540.40 × 192,717.60
  4. Step 4: Simplify right side
    783,693.60x = 226,547,324,591.04
  5. Step 5: Solve for x
    x = 226,547,324,591.04/783,693.60
  6. Step 6: Final answer
    x = 289,076.40

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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.