Home / 1,285,944.32-1,928,294.40-444,200.96

Finding the Fourth Proportional to 1,285,944.32, 1,928,294.40 and 444,200.96

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Solution

The fourth proportional to 1,285,944.32, 1,928,294.40 and 444,200.96 is: 666,086.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,944.32 : 1,928,294.40 = 444,200.96 : x
  2. Step 2: Convert to fraction form
    1,285,944.32/1,928,294.40 = 444,200.96/x
  3. Step 3: Cross multiply
    1,285,944.32x = 1,928,294.40 × 444,200.96
  4. Step 4: Simplify right side
    1,285,944.32x = 856,550,223,642.62
  5. Step 5: Solve for x
    x = 856,550,223,642.62/1,285,944.32
  6. Step 6: Final answer
    x = 666,086.56

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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.