Home / 868,799.36-1,198,975.56-486,812

Finding the Fourth Proportional to 868,799.36, 1,198,975.56 and 486,812

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Solution

The fourth proportional to 868,799.36, 1,198,975.56 and 486,812 is: 671,818.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,799.36 : 1,198,975.56 = 486,812 : x
  2. Step 2: Convert to fraction form
    868,799.36/1,198,975.56 = 486,812/x
  3. Step 3: Cross multiply
    868,799.36x = 1,198,975.56 × 486,812
  4. Step 4: Simplify right side
    868,799.36x = 583,675,690,314.72
  5. Step 5: Solve for x
    x = 583,675,690,314.72/868,799.36
  6. Step 6: Final answer
    x = 671,818.74

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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.