Home / 1,041,178.60-1,560,309.90-828,310.60

Finding the Fourth Proportional to 1,041,178.60, 1,560,309.90 and 828,310.60

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Solution

The fourth proportional to 1,041,178.60, 1,560,309.90 and 828,310.60 is: 1,241,305.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,178.60 : 1,560,309.90 = 828,310.60 : x
  2. Step 2: Convert to fraction form
    1,041,178.60/1,560,309.90 = 828,310.60/x
  3. Step 3: Cross multiply
    1,041,178.60x = 1,560,309.90 × 828,310.60
  4. Step 4: Simplify right side
    1,041,178.60x = 1,292,421,229,454.94
  5. Step 5: Solve for x
    x = 1,292,421,229,454.94/1,041,178.60
  6. Step 6: Final answer
    x = 1,241,305.99

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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.