Home / 734,144.20-1,101,216.30-657,161.80

Finding the Fourth Proportional to 734,144.20, 1,101,216.30 and 657,161.80

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Solution

The fourth proportional to 734,144.20, 1,101,216.30 and 657,161.80 is: 985,742.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,144.20 : 1,101,216.30 = 657,161.80 : x
  2. Step 2: Convert to fraction form
    734,144.20/1,101,216.30 = 657,161.80/x
  3. Step 3: Cross multiply
    734,144.20x = 1,101,216.30 × 657,161.80
  4. Step 4: Simplify right side
    734,144.20x = 723,677,285,897.34
  5. Step 5: Solve for x
    x = 723,677,285,897.34/734,144.20
  6. Step 6: Final answer
    x = 985,742.70

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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.