Home / 868,725.60-1,198,829.60-486,759.84

Finding the Fourth Proportional to 868,725.60, 1,198,829.60 and 486,759.84

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Solution

The fourth proportional to 868,725.60, 1,198,829.60 and 486,759.84 is: 671,722.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,725.60 : 1,198,829.60 = 486,759.84 : x
  2. Step 2: Convert to fraction form
    868,725.60/1,198,829.60 = 486,759.84/x
  3. Step 3: Cross multiply
    868,725.60x = 1,198,829.60 × 486,759.84
  4. Step 4: Simplify right side
    868,725.60x = 583,542,104,283.26
  5. Step 5: Solve for x
    x = 583,542,104,283.26/868,725.60
  6. Step 6: Final answer
    x = 671,722.01

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Double scale
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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.