Home / 766,438.74-1,057,604.58-444,249.90

Finding the Fourth Proportional to 766,438.74, 1,057,604.58 and 444,249.90

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Solution

The fourth proportional to 766,438.74, 1,057,604.58 and 444,249.90 is: 613,017.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,438.74 : 1,057,604.58 = 444,249.90 : x
  2. Step 2: Convert to fraction form
    766,438.74/1,057,604.58 = 444,249.90/x
  3. Step 3: Cross multiply
    766,438.74x = 1,057,604.58 × 444,249.90
  4. Step 4: Simplify right side
    766,438.74x = 469,840,728,904.54
  5. Step 5: Solve for x
    x = 469,840,728,904.54/766,438.74
  6. Step 6: Final answer
    x = 613,017.98

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.