Home / 785,414.50-1,178,121.75-194,438.50

Finding the Fourth Proportional to 785,414.50, 1,178,121.75 and 194,438.50

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Solution

The fourth proportional to 785,414.50, 1,178,121.75 and 194,438.50 is: 291,657.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,414.50 : 1,178,121.75 = 194,438.50 : x
  2. Step 2: Convert to fraction form
    785,414.50/1,178,121.75 = 194,438.50/x
  3. Step 3: Cross multiply
    785,414.50x = 1,178,121.75 × 194,438.50
  4. Step 4: Simplify right side
    785,414.50x = 229,072,225,887.38
  5. Step 5: Solve for x
    x = 229,072,225,887.38/785,414.50
  6. Step 6: Final answer
    x = 291,657.75

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Similar ratio
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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.