Home / 936,383.40-1,404,575.10-511,230.60

Finding the Fourth Proportional to 936,383.40, 1,404,575.10 and 511,230.60

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Solution

The fourth proportional to 936,383.40, 1,404,575.10 and 511,230.60 is: 766,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,383.40 : 1,404,575.10 = 511,230.60 : x
  2. Step 2: Convert to fraction form
    936,383.40/1,404,575.10 = 511,230.60/x
  3. Step 3: Cross multiply
    936,383.40x = 1,404,575.10 × 511,230.60
  4. Step 4: Simplify right side
    936,383.40x = 718,061,771,118.06
  5. Step 5: Solve for x
    x = 718,061,771,118.06/936,383.40
  6. Step 6: Final answer
    x = 766,845.90

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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.