Home / 876,235.20-1,314,352.80-823,091.10

Finding the Fourth Proportional to 876,235.20, 1,314,352.80 and 823,091.10

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Solution

The fourth proportional to 876,235.20, 1,314,352.80 and 823,091.10 is: 1,234,636.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,235.20 : 1,314,352.80 = 823,091.10 : x
  2. Step 2: Convert to fraction form
    876,235.20/1,314,352.80 = 823,091.10/x
  3. Step 3: Cross multiply
    876,235.20x = 1,314,352.80 × 823,091.10
  4. Step 4: Simplify right side
    876,235.20x = 1,081,832,091,940.08
  5. Step 5: Solve for x
    x = 1,081,832,091,940.08/876,235.20
  6. Step 6: Final answer
    x = 1,234,636.65

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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.