Home / 840,314.88-1,159,833.60-482,826.24

Finding the Fourth Proportional to 840,314.88, 1,159,833.60 and 482,826.24

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Solution

The fourth proportional to 840,314.88, 1,159,833.60 and 482,826.24 is: 666,414.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,314.88 : 1,159,833.60 = 482,826.24 : x
  2. Step 2: Convert to fraction form
    840,314.88/1,159,833.60 = 482,826.24/x
  3. Step 3: Cross multiply
    840,314.88x = 1,159,833.60 × 482,826.24
  4. Step 4: Simplify right side
    840,314.88x = 559,998,096,113.66
  5. Step 5: Solve for x
    x = 559,998,096,113.66/840,314.88
  6. Step 6: Final answer
    x = 666,414.59

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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.