Home / 1,517,818.40-2,276,079.14-878,563.37

Finding the Fourth Proportional to 1,517,818.40, 2,276,079.14 and 878,563.37

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Solution

The fourth proportional to 1,517,818.40, 2,276,079.14 and 878,563.37 is: 1,317,469.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,818.40 : 2,276,079.14 = 878,563.37 : x
  2. Step 2: Convert to fraction form
    1,517,818.40/2,276,079.14 = 878,563.37/x
  3. Step 3: Cross multiply
    1,517,818.40x = 2,276,079.14 × 878,563.37
  4. Step 4: Simplify right side
    1,517,818.40x = 1,999,679,755,232.28
  5. Step 5: Solve for x
    x = 1,999,679,755,232.28/1,517,818.40
  6. Step 6: Final answer
    x = 1,317,469.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.