Home / 2,520,719.60-3,781,079.40-838,082.80

Finding the Fourth Proportional to 2,520,719.60, 3,781,079.40 and 838,082.80

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Solution

The fourth proportional to 2,520,719.60, 3,781,079.40 and 838,082.80 is: 1,257,124.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520,719.60 : 3,781,079.40 = 838,082.80 : x
  2. Step 2: Convert to fraction form
    2,520,719.60/3,781,079.40 = 838,082.80/x
  3. Step 3: Cross multiply
    2,520,719.60x = 3,781,079.40 × 838,082.80
  4. Step 4: Simplify right side
    2,520,719.60x = 3,168,857,610,574.32
  5. Step 5: Solve for x
    x = 3,168,857,610,574.32/2,520,719.60
  6. Step 6: Final answer
    x = 1,257,124.20

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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.