Home / 1,043,391.20-1,566,123.60-511,512.80

Finding the Fourth Proportional to 1,043,391.20, 1,566,123.60 and 511,512.80

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Solution

The fourth proportional to 1,043,391.20, 1,566,123.60 and 511,512.80 is: 767,777.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,391.20 : 1,566,123.60 = 511,512.80 : x
  2. Step 2: Convert to fraction form
    1,043,391.20/1,566,123.60 = 511,512.80/x
  3. Step 3: Cross multiply
    1,043,391.20x = 1,566,123.60 × 511,512.80
  4. Step 4: Simplify right side
    1,043,391.20x = 801,092,267,782.08
  5. Step 5: Solve for x
    x = 801,092,267,782.08/1,043,391.20
  6. Step 6: Final answer
    x = 767,777.48

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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.