Home / 1,200,739.06-1,657,512.87-814,084.06

Finding the Fourth Proportional to 1,200,739.06, 1,657,512.87 and 814,084.06

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Solution

The fourth proportional to 1,200,739.06, 1,657,512.87 and 814,084.06 is: 1,123,770.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,739.06 : 1,657,512.87 = 814,084.06 : x
  2. Step 2: Convert to fraction form
    1,200,739.06/1,657,512.87 = 814,084.06/x
  3. Step 3: Cross multiply
    1,200,739.06x = 1,657,512.87 × 814,084.06
  4. Step 4: Simplify right side
    1,200,739.06x = 1,349,354,806,711.85
  5. Step 5: Solve for x
    x = 1,349,354,806,711.85/1,200,739.06
  6. Step 6: Final answer
    x = 1,123,770.23

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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.