Home / 785,788.40-1,178,466.92-217,033.52

Finding the Fourth Proportional to 785,788.40, 1,178,466.92 and 217,033.52

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Solution

The fourth proportional to 785,788.40, 1,178,466.92 and 217,033.52 is: 325,490.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,788.40 : 1,178,466.92 = 217,033.52 : x
  2. Step 2: Convert to fraction form
    785,788.40/1,178,466.92 = 217,033.52/x
  3. Step 3: Cross multiply
    785,788.40x = 1,178,466.92 × 217,033.52
  4. Step 4: Simplify right side
    785,788.40x = 255,766,823,851.16
  5. Step 5: Solve for x
    x = 255,766,823,851.16/785,788.40
  6. Step 6: Final answer
    x = 325,490.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.