Home / 1,096,187.20-1,644,280.80-308,116.80

Finding the Fourth Proportional to 1,096,187.20, 1,644,280.80 and 308,116.80

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Solution

The fourth proportional to 1,096,187.20, 1,644,280.80 and 308,116.80 is: 462,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,187.20 : 1,644,280.80 = 308,116.80 : x
  2. Step 2: Convert to fraction form
    1,096,187.20/1,644,280.80 = 308,116.80/x
  3. Step 3: Cross multiply
    1,096,187.20x = 1,644,280.80 × 308,116.80
  4. Step 4: Simplify right side
    1,096,187.20x = 506,630,538,397.44
  5. Step 5: Solve for x
    x = 506,630,538,397.44/1,096,187.20
  6. Step 6: Final answer
    x = 462,175.20

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Half scale
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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.