Home / 996,475.20-1,494,712.80-856,507.20

Finding the Fourth Proportional to 996,475.20, 1,494,712.80 and 856,507.20

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Solution

The fourth proportional to 996,475.20, 1,494,712.80 and 856,507.20 is: 1,284,760.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,475.20 : 1,494,712.80 = 856,507.20 : x
  2. Step 2: Convert to fraction form
    996,475.20/1,494,712.80 = 856,507.20/x
  3. Step 3: Cross multiply
    996,475.20x = 1,494,712.80 × 856,507.20
  4. Step 4: Simplify right side
    996,475.20x = 1,280,232,275,132.16
  5. Step 5: Solve for x
    x = 1,280,232,275,132.16/996,475.20
  6. Step 6: Final answer
    x = 1,284,760.80

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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.