Home / 886,019.60-1,329,029.40-530,850.80

Finding the Fourth Proportional to 886,019.60, 1,329,029.40 and 530,850.80

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Solution

The fourth proportional to 886,019.60, 1,329,029.40 and 530,850.80 is: 796,276.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,019.60 : 1,329,029.40 = 530,850.80 : x
  2. Step 2: Convert to fraction form
    886,019.60/1,329,029.40 = 530,850.80/x
  3. Step 3: Cross multiply
    886,019.60x = 1,329,029.40 × 530,850.80
  4. Step 4: Simplify right side
    886,019.60x = 705,516,320,213.52
  5. Step 5: Solve for x
    x = 705,516,320,213.52/886,019.60
  6. Step 6: Final answer
    x = 796,276.20

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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.