Home / 1,436,591.48-1,982,436.42-783,203.32

Finding the Fourth Proportional to 1,436,591.48, 1,982,436.42 and 783,203.32

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Solution

The fourth proportional to 1,436,591.48, 1,982,436.42 and 783,203.32 is: 1,080,787.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,591.48 : 1,982,436.42 = 783,203.32 : x
  2. Step 2: Convert to fraction form
    1,436,591.48/1,982,436.42 = 783,203.32/x
  3. Step 3: Cross multiply
    1,436,591.48x = 1,982,436.42 × 783,203.32
  4. Step 4: Simplify right side
    1,436,591.48x = 1,552,650,785,832.91
  5. Step 5: Solve for x
    x = 1,552,650,785,832.91/1,436,591.48
  6. Step 6: Final answer
    x = 1,080,787.97

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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.