Home / 886,877.20-1,328,856.60-512,246.80

Finding the Fourth Proportional to 886,877.20, 1,328,856.60 and 512,246.80

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Solution

The fourth proportional to 886,877.20, 1,328,856.60 and 512,246.80 is: 767,527.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,877.20 : 1,328,856.60 = 512,246.80 : x
  2. Step 2: Convert to fraction form
    886,877.20/1,328,856.60 = 512,246.80/x
  3. Step 3: Cross multiply
    886,877.20x = 1,328,856.60 × 512,246.80
  4. Step 4: Simplify right side
    886,877.20x = 680,702,541,008.88
  5. Step 5: Solve for x
    x = 680,702,541,008.88/886,877.20
  6. Step 6: Final answer
    x = 767,527.39

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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.