Home / 555,551.62-766,723.45-313,849.76

Finding the Fourth Proportional to 555,551.62, 766,723.45 and 313,849.76

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Solution

The fourth proportional to 555,551.62, 766,723.45 and 313,849.76 is: 433,147.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,551.62 : 766,723.45 = 313,849.76 : x
  2. Step 2: Convert to fraction form
    555,551.62/766,723.45 = 313,849.76/x
  3. Step 3: Cross multiply
    555,551.62x = 766,723.45 × 313,849.76
  4. Step 4: Simplify right side
    555,551.62x = 240,635,968,067.44
  5. Step 5: Solve for x
    x = 240,635,968,067.44/555,551.62
  6. Step 6: Final answer
    x = 433,147.81

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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.