Home / 715,820.51-1,073,674.92-416,109.92

Finding the Fourth Proportional to 715,820.51, 1,073,674.92 and 416,109.92

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Solution

The fourth proportional to 715,820.51, 1,073,674.92 and 416,109.92 is: 624,132.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,820.51 : 1,073,674.92 = 416,109.92 : x
  2. Step 2: Convert to fraction form
    715,820.51/1,073,674.92 = 416,109.92/x
  3. Step 3: Cross multiply
    715,820.51x = 1,073,674.92 × 416,109.92
  4. Step 4: Simplify right side
    715,820.51x = 446,766,785,067.21
  5. Step 5: Solve for x
    x = 446,766,785,067.21/715,820.51
  6. Step 6: Final answer
    x = 624,132.42

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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.