Home / 823,229.40-1,234,844.10-403,325.40

Finding the Fourth Proportional to 823,229.40, 1,234,844.10 and 403,325.40

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Solution

The fourth proportional to 823,229.40, 1,234,844.10 and 403,325.40 is: 604,988.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,229.40 : 1,234,844.10 = 403,325.40 : x
  2. Step 2: Convert to fraction form
    823,229.40/1,234,844.10 = 403,325.40/x
  3. Step 3: Cross multiply
    823,229.40x = 1,234,844.10 × 403,325.40
  4. Step 4: Simplify right side
    823,229.40x = 498,043,990,570.14
  5. Step 5: Solve for x
    x = 498,043,990,570.14/823,229.40
  6. Step 6: Final answer
    x = 604,988.10

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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.