Home / 823,251.40-1,234,877.10-403,347.40

Finding the Fourth Proportional to 823,251.40, 1,234,877.10 and 403,347.40

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Solution

The fourth proportional to 823,251.40, 1,234,877.10 and 403,347.40 is: 605,021.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,251.40 : 1,234,877.10 = 403,347.40 : x
  2. Step 2: Convert to fraction form
    823,251.40/1,234,877.10 = 403,347.40/x
  3. Step 3: Cross multiply
    823,251.40x = 1,234,877.10 × 403,347.40
  4. Step 4: Simplify right side
    823,251.40x = 498,084,467,604.54
  5. Step 5: Solve for x
    x = 498,084,467,604.54/823,251.40
  6. Step 6: Final answer
    x = 605,021.10

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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.