Home / 6,520,715.40-9,781,073.10-1,729,144.20

Finding the Fourth Proportional to 6,520,715.40, 9,781,073.10 and 1,729,144.20

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Solution

The fourth proportional to 6,520,715.40, 9,781,073.10 and 1,729,144.20 is: 2,593,716.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520,715.40 : 9,781,073.10 = 1,729,144.20 : x
  2. Step 2: Convert to fraction form
    6,520,715.40/9,781,073.10 = 1,729,144.20/x
  3. Step 3: Cross multiply
    6,520,715.40x = 9,781,073.10 × 1,729,144.20
  4. Step 4: Simplify right side
    6,520,715.40x = 16,912,885,820,641.02
  5. Step 5: Solve for x
    x = 16,912,885,820,641.02/6,520,715.40
  6. Step 6: Final answer
    x = 2,593,716.30

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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.