Home / 868,862.96-1,199,063.24-486,875.60

Finding the Fourth Proportional to 868,862.96, 1,199,063.24 and 486,875.60

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Solution

The fourth proportional to 868,862.96, 1,199,063.24 and 486,875.60 is: 671,906.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,862.96 : 1,199,063.24 = 486,875.60 : x
  2. Step 2: Convert to fraction form
    868,862.96/1,199,063.24 = 486,875.60/x
  3. Step 3: Cross multiply
    868,862.96x = 1,199,063.24 × 486,875.60
  4. Step 4: Simplify right side
    868,862.96x = 583,794,634,412.94
  5. Step 5: Solve for x
    x = 583,794,634,412.94/868,862.96
  6. Step 6: Final answer
    x = 671,906.46

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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.