Home / 519,230.20-778,845.30-283,034.20

Finding the Fourth Proportional to 519,230.20, 778,845.30 and 283,034.20

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Solution

The fourth proportional to 519,230.20, 778,845.30 and 283,034.20 is: 424,551.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,230.20 : 778,845.30 = 283,034.20 : x
  2. Step 2: Convert to fraction form
    519,230.20/778,845.30 = 283,034.20/x
  3. Step 3: Cross multiply
    519,230.20x = 778,845.30 × 283,034.20
  4. Step 4: Simplify right side
    519,230.20x = 220,439,856,409.26
  5. Step 5: Solve for x
    x = 220,439,856,409.26/519,230.20
  6. Step 6: Final answer
    x = 424,551.30

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Half scale
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Double scale
Find fourth proportional to 519,231.20, 778,846.80 and 283,035.20
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.