Home / 823,272.40-1,234,908.60-403,368.40

Finding the Fourth Proportional to 823,272.40, 1,234,908.60 and 403,368.40

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Solution

The fourth proportional to 823,272.40, 1,234,908.60 and 403,368.40 is: 605,052.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,272.40 : 1,234,908.60 = 403,368.40 : x
  2. Step 2: Convert to fraction form
    823,272.40/1,234,908.60 = 403,368.40/x
  3. Step 3: Cross multiply
    823,272.40x = 1,234,908.60 × 403,368.40
  4. Step 4: Simplify right side
    823,272.40x = 498,123,106,128.24
  5. Step 5: Solve for x
    x = 498,123,106,128.24/823,272.40
  6. Step 6: Final answer
    x = 605,052.60

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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.