Home / 1,214,612.70-1,677,285.27-813,371.10

Finding the Fourth Proportional to 1,214,612.70, 1,677,285.27 and 813,371.10

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Solution

The fourth proportional to 1,214,612.70, 1,677,285.27 and 813,371.10 is: 1,123,201.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,612.70 : 1,677,285.27 = 813,371.10 : x
  2. Step 2: Convert to fraction form
    1,214,612.70/1,677,285.27 = 813,371.10/x
  3. Step 3: Cross multiply
    1,214,612.70x = 1,677,285.27 × 813,371.10
  4. Step 4: Simplify right side
    1,214,612.70x = 1,364,255,365,073.70
  5. Step 5: Solve for x
    x = 1,364,255,365,073.70/1,214,612.70
  6. Step 6: Final answer
    x = 1,123,201.96

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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.