Home / 1,160,123.80-1,738,803.30-486,203.80

Finding the Fourth Proportional to 1,160,123.80, 1,738,803.30 and 486,203.80

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Solution

The fourth proportional to 1,160,123.80, 1,738,803.30 and 486,203.80 is: 728,726.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,123.80 : 1,738,803.30 = 486,203.80 : x
  2. Step 2: Convert to fraction form
    1,160,123.80/1,738,803.30 = 486,203.80/x
  3. Step 3: Cross multiply
    1,160,123.80x = 1,738,803.30 × 486,203.80
  4. Step 4: Simplify right side
    1,160,123.80x = 845,412,771,912.54
  5. Step 5: Solve for x
    x = 845,412,771,912.54/1,160,123.80
  6. Step 6: Final answer
    x = 728,726.34

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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.