Home / 1,517,461.08-2,094,138.78-838,441.56

Finding the Fourth Proportional to 1,517,461.08, 2,094,138.78 and 838,441.56

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Solution

The fourth proportional to 1,517,461.08, 2,094,138.78 and 838,441.56 is: 1,157,072.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,461.08 : 2,094,138.78 = 838,441.56 : x
  2. Step 2: Convert to fraction form
    1,517,461.08/2,094,138.78 = 838,441.56/x
  3. Step 3: Cross multiply
    1,517,461.08x = 2,094,138.78 × 838,441.56
  4. Step 4: Simplify right side
    1,517,461.08x = 1,755,812,985,559.70
  5. Step 5: Solve for x
    x = 1,755,812,985,559.70/1,517,461.08
  6. Step 6: Final answer
    x = 1,157,072.83

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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.