Home / 1,025,301.20-1,538,220.60-394,235.60

Finding the Fourth Proportional to 1,025,301.20, 1,538,220.60 and 394,235.60

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Solution

The fourth proportional to 1,025,301.20, 1,538,220.60 and 394,235.60 is: 591,456.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,301.20 : 1,538,220.60 = 394,235.60 : x
  2. Step 2: Convert to fraction form
    1,025,301.20/1,538,220.60 = 394,235.60/x
  3. Step 3: Cross multiply
    1,025,301.20x = 1,538,220.60 × 394,235.60
  4. Step 4: Simplify right side
    1,025,301.20x = 606,421,321,173.36
  5. Step 5: Solve for x
    x = 606,421,321,173.36/1,025,301.20
  6. Step 6: Final answer
    x = 591,456.76

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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.