Home / 804,839.70-1,207,259.55-243,902.10

Finding the Fourth Proportional to 804,839.70, 1,207,259.55 and 243,902.10

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Solution

The fourth proportional to 804,839.70, 1,207,259.55 and 243,902.10 is: 365,853.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,839.70 : 1,207,259.55 = 243,902.10 : x
  2. Step 2: Convert to fraction form
    804,839.70/1,207,259.55 = 243,902.10/x
  3. Step 3: Cross multiply
    804,839.70x = 1,207,259.55 × 243,902.10
  4. Step 4: Simplify right side
    804,839.70x = 294,453,139,490.06
  5. Step 5: Solve for x
    x = 294,453,139,490.06/804,839.70
  6. Step 6: Final answer
    x = 365,853.15

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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.