Home / 837,974.41-1,257,086.68-388,740.69

Finding the Fourth Proportional to 837,974.41, 1,257,086.68 and 388,740.69

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Solution

The fourth proportional to 837,974.41, 1,257,086.68 and 388,740.69 is: 583,169.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,974.41 : 1,257,086.68 = 388,740.69 : x
  2. Step 2: Convert to fraction form
    837,974.41/1,257,086.68 = 388,740.69/x
  3. Step 3: Cross multiply
    837,974.41x = 1,257,086.68 × 388,740.69
  4. Step 4: Simplify right side
    837,974.41x = 488,680,743,373.01
  5. Step 5: Solve for x
    x = 488,680,743,373.01/837,974.41
  6. Step 6: Final answer
    x = 583,169.05

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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.