Home / 766,402.93-1,057,636.34-444,299.75

Finding the Fourth Proportional to 766,402.93, 1,057,636.34 and 444,299.75

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Solution

The fourth proportional to 766,402.93, 1,057,636.34 and 444,299.75 is: 613,133.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,402.93 : 1,057,636.34 = 444,299.75 : x
  2. Step 2: Convert to fraction form
    766,402.93/1,057,636.34 = 444,299.75/x
  3. Step 3: Cross multiply
    766,402.93x = 1,057,636.34 × 444,299.75
  4. Step 4: Simplify right side
    766,402.93x = 469,907,561,452.92
  5. Step 5: Solve for x
    x = 469,907,561,452.92/766,402.93
  6. Step 6: Final answer
    x = 613,133.83

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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.