Home / 886,875.20-1,328,853.60-512,244.80

Finding the Fourth Proportional to 886,875.20, 1,328,853.60 and 512,244.80

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Solution

The fourth proportional to 886,875.20, 1,328,853.60 and 512,244.80 is: 767,524.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,875.20 : 1,328,853.60 = 512,244.80 : x
  2. Step 2: Convert to fraction form
    886,875.20/1,328,853.60 = 512,244.80/x
  3. Step 3: Cross multiply
    886,875.20x = 1,328,853.60 × 512,244.80
  4. Step 4: Simplify right side
    886,875.20x = 680,698,346,561.28
  5. Step 5: Solve for x
    x = 680,698,346,561.28/886,875.20
  6. Step 6: Final answer
    x = 767,524.39

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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.