Home / 1,244,163.40-1,866,245.10-402,800.20

Finding the Fourth Proportional to 1,244,163.40, 1,866,245.10 and 402,800.20

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Solution

The fourth proportional to 1,244,163.40, 1,866,245.10 and 402,800.20 is: 604,200.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,163.40 : 1,866,245.10 = 402,800.20 : x
  2. Step 2: Convert to fraction form
    1,244,163.40/1,866,245.10 = 402,800.20/x
  3. Step 3: Cross multiply
    1,244,163.40x = 1,866,245.10 × 402,800.20
  4. Step 4: Simplify right side
    1,244,163.40x = 751,723,899,529.02
  5. Step 5: Solve for x
    x = 751,723,899,529.02/1,244,163.40
  6. Step 6: Final answer
    x = 604,200.30

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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.