Home / 731,628.80-1,097,443.20-702,104.30

Finding the Fourth Proportional to 731,628.80, 1,097,443.20 and 702,104.30

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Solution

The fourth proportional to 731,628.80, 1,097,443.20 and 702,104.30 is: 1,053,156.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,628.80 : 1,097,443.20 = 702,104.30 : x
  2. Step 2: Convert to fraction form
    731,628.80/1,097,443.20 = 702,104.30/x
  3. Step 3: Cross multiply
    731,628.80x = 1,097,443.20 × 702,104.30
  4. Step 4: Simplify right side
    731,628.80x = 770,519,589,725.76
  5. Step 5: Solve for x
    x = 770,519,589,725.76/731,628.80
  6. Step 6: Final answer
    x = 1,053,156.45

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Double scale
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Similar ratio
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1.5x scale

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.