Home / 739,915.83-1,109,874.29-178,950.87

Finding the Fourth Proportional to 739,915.83, 1,109,874.29 and 178,950.87

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Solution

The fourth proportional to 739,915.83, 1,109,874.29 and 178,950.87 is: 268,426.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,915.83 : 1,109,874.29 = 178,950.87 : x
  2. Step 2: Convert to fraction form
    739,915.83/1,109,874.29 = 178,950.87/x
  3. Step 3: Cross multiply
    739,915.83x = 1,109,874.29 × 178,950.87
  4. Step 4: Simplify right side
    739,915.83x = 198,612,968,891.38
  5. Step 5: Solve for x
    x = 198,612,968,891.38/739,915.83
  6. Step 6: Final answer
    x = 268,426.44

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1.5x scale

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.