Home / 1,295,016.60-1,942,670.70-396,451.20

Finding the Fourth Proportional to 1,295,016.60, 1,942,670.70 and 396,451.20

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Solution

The fourth proportional to 1,295,016.60, 1,942,670.70 and 396,451.20 is: 594,721.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,016.60 : 1,942,670.70 = 396,451.20 : x
  2. Step 2: Convert to fraction form
    1,295,016.60/1,942,670.70 = 396,451.20/x
  3. Step 3: Cross multiply
    1,295,016.60x = 1,942,670.70 × 396,451.20
  4. Step 4: Simplify right side
    1,295,016.60x = 770,174,130,219.84
  5. Step 5: Solve for x
    x = 770,174,130,219.84/1,295,016.60
  6. Step 6: Final answer
    x = 594,721.43

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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.