Home / 748,912.50-1,123,368.75-250,276.50

Finding the Fourth Proportional to 748,912.50, 1,123,368.75 and 250,276.50

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Solution

The fourth proportional to 748,912.50, 1,123,368.75 and 250,276.50 is: 375,414.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,912.50 : 1,123,368.75 = 250,276.50 : x
  2. Step 2: Convert to fraction form
    748,912.50/1,123,368.75 = 250,276.50/x
  3. Step 3: Cross multiply
    748,912.50x = 1,123,368.75 × 250,276.50
  4. Step 4: Simplify right side
    748,912.50x = 281,152,798,959.38
  5. Step 5: Solve for x
    x = 281,152,798,959.38/748,912.50
  6. Step 6: Final answer
    x = 375,414.75

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Similar ratio
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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.