Home / 734,104.20-1,101,156.30-657,121.80

Finding the Fourth Proportional to 734,104.20, 1,101,156.30 and 657,121.80

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Solution

The fourth proportional to 734,104.20, 1,101,156.30 and 657,121.80 is: 985,682.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,104.20 : 1,101,156.30 = 657,121.80 : x
  2. Step 2: Convert to fraction form
    734,104.20/1,101,156.30 = 657,121.80/x
  3. Step 3: Cross multiply
    734,104.20x = 1,101,156.30 × 657,121.80
  4. Step 4: Simplify right side
    734,104.20x = 723,593,809,937.34
  5. Step 5: Solve for x
    x = 723,593,809,937.34/734,104.20
  6. Step 6: Final answer
    x = 985,682.70

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Double scale
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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.