Home / 877,512.20-1,316,268.30-246,446.60

Finding the Fourth Proportional to 877,512.20, 1,316,268.30 and 246,446.60

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Solution

The fourth proportional to 877,512.20, 1,316,268.30 and 246,446.60 is: 369,669.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,512.20 : 1,316,268.30 = 246,446.60 : x
  2. Step 2: Convert to fraction form
    877,512.20/1,316,268.30 = 246,446.60/x
  3. Step 3: Cross multiply
    877,512.20x = 1,316,268.30 × 246,446.60
  4. Step 4: Simplify right side
    877,512.20x = 324,389,847,222.78
  5. Step 5: Solve for x
    x = 324,389,847,222.78/877,512.20
  6. Step 6: Final answer
    x = 369,669.90

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.