Home / 868,861.96-1,199,061.86-486,874.60

Finding the Fourth Proportional to 868,861.96, 1,199,061.86 and 486,874.60

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Solution

The fourth proportional to 868,861.96, 1,199,061.86 and 486,874.60 is: 671,905.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,861.96 : 1,199,061.86 = 486,874.60 : x
  2. Step 2: Convert to fraction form
    868,861.96/1,199,061.86 = 486,874.60/x
  3. Step 3: Cross multiply
    868,861.96x = 1,199,061.86 × 486,874.60
  4. Step 4: Simplify right side
    868,861.96x = 583,792,763,462.76
  5. Step 5: Solve for x
    x = 583,792,763,462.76/868,861.96
  6. Step 6: Final answer
    x = 671,905.08

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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.