Home / 827,772.78-1,142,739.80-541,729.78

Finding the Fourth Proportional to 827,772.78, 1,142,739.80 and 541,729.78

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Solution

The fourth proportional to 827,772.78, 1,142,739.80 and 541,729.78 is: 747,857.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,772.78 : 1,142,739.80 = 541,729.78 : x
  2. Step 2: Convert to fraction form
    827,772.78/1,142,739.80 = 541,729.78/x
  3. Step 3: Cross multiply
    827,772.78x = 1,142,739.80 × 541,729.78
  4. Step 4: Simplify right side
    827,772.78x = 619,056,180,451.24
  5. Step 5: Solve for x
    x = 619,056,180,451.24/827,772.78
  6. Step 6: Final answer
    x = 747,857.62

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1.5x scale

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.