Home / 997,986.71-1,376,787.12-610,819.37

Finding the Fourth Proportional to 997,986.71, 1,376,787.12 and 610,819.37

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Solution

The fourth proportional to 997,986.71, 1,376,787.12 and 610,819.37 is: 842,664.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,986.71 : 1,376,787.12 = 610,819.37 : x
  2. Step 2: Convert to fraction form
    997,986.71/1,376,787.12 = 610,819.37/x
  3. Step 3: Cross multiply
    997,986.71x = 1,376,787.12 × 610,819.37
  4. Step 4: Simplify right side
    997,986.71x = 840,968,234,378.58
  5. Step 5: Solve for x
    x = 840,968,234,378.58/997,986.71
  6. Step 6: Final answer
    x = 842,664.77

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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.