Home / 766,458.42-1,057,745.25-426,926.82

Finding the Fourth Proportional to 766,458.42, 1,057,745.25 and 426,926.82

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Solution

The fourth proportional to 766,458.42, 1,057,745.25 and 426,926.82 is: 589,177.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,458.42 : 1,057,745.25 = 426,926.82 : x
  2. Step 2: Convert to fraction form
    766,458.42/1,057,745.25 = 426,926.82/x
  3. Step 3: Cross multiply
    766,458.42x = 1,057,745.25 × 426,926.82
  4. Step 4: Simplify right side
    766,458.42x = 451,579,815,952.61
  5. Step 5: Solve for x
    x = 451,579,815,952.61/766,458.42
  6. Step 6: Final answer
    x = 589,177.19

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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.