Home / 644,249.20-965,452.20-474,444.40

Finding the Fourth Proportional to 644,249.20, 965,452.20 and 474,444.40

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Solution

The fourth proportional to 644,249.20, 965,452.20 and 474,444.40 is: 710,987.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,249.20 : 965,452.20 = 474,444.40 : x
  2. Step 2: Convert to fraction form
    644,249.20/965,452.20 = 474,444.40/x
  3. Step 3: Cross multiply
    644,249.20x = 965,452.20 × 474,444.40
  4. Step 4: Simplify right side
    644,249.20x = 458,053,389,757.68
  5. Step 5: Solve for x
    x = 458,053,389,757.68/644,249.20
  6. Step 6: Final answer
    x = 710,987.91

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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.