Home / 1,022,230.40-1,534,057.08-423,194.66

Finding the Fourth Proportional to 1,022,230.40, 1,534,057.08 and 423,194.66

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Solution

The fourth proportional to 1,022,230.40, 1,534,057.08 and 423,194.66 is: 635,086.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,230.40 : 1,534,057.08 = 423,194.66 : x
  2. Step 2: Convert to fraction form
    1,022,230.40/1,534,057.08 = 423,194.66/x
  3. Step 3: Cross multiply
    1,022,230.40x = 1,534,057.08 × 423,194.66
  4. Step 4: Simplify right side
    1,022,230.40x = 649,204,764,391.19
  5. Step 5: Solve for x
    x = 649,204,764,391.19/1,022,230.40
  6. Step 6: Final answer
    x = 635,086.54

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Double scale
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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.