Home / 1,035,123.20-1,428,467.10-582,414.20

Finding the Fourth Proportional to 1,035,123.20, 1,428,467.10 and 582,414.20

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Solution

The fourth proportional to 1,035,123.20, 1,428,467.10 and 582,414.20 is: 803,729.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,123.20 : 1,428,467.10 = 582,414.20 : x
  2. Step 2: Convert to fraction form
    1,035,123.20/1,428,467.10 = 582,414.20/x
  3. Step 3: Cross multiply
    1,035,123.20x = 1,428,467.10 × 582,414.20
  4. Step 4: Simplify right side
    1,035,123.20x = 831,959,523,272.82
  5. Step 5: Solve for x
    x = 831,959,523,272.82/1,035,123.20
  6. Step 6: Final answer
    x = 803,729.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.