Home / 868,860.96-1,199,060.48-486,873.60

Finding the Fourth Proportional to 868,860.96, 1,199,060.48 and 486,873.60

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Solution

The fourth proportional to 868,860.96, 1,199,060.48 and 486,873.60 is: 671,903.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,860.96 : 1,199,060.48 = 486,873.60 : x
  2. Step 2: Convert to fraction form
    868,860.96/1,199,060.48 = 486,873.60/x
  3. Step 3: Cross multiply
    868,860.96x = 1,199,060.48 × 486,873.60
  4. Step 4: Simplify right side
    868,860.96x = 583,790,892,515.33
  5. Step 5: Solve for x
    x = 583,790,892,515.33/868,860.96
  6. Step 6: Final answer
    x = 671,903.70

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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.