Home / 511,256.20-766,884.30-262,424.20

Finding the Fourth Proportional to 511,256.20, 766,884.30 and 262,424.20

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Solution

The fourth proportional to 511,256.20, 766,884.30 and 262,424.20 is: 393,636.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,256.20 : 766,884.30 = 262,424.20 : x
  2. Step 2: Convert to fraction form
    511,256.20/766,884.30 = 262,424.20/x
  3. Step 3: Cross multiply
    511,256.20x = 766,884.30 × 262,424.20
  4. Step 4: Simplify right side
    511,256.20x = 201,248,998,920.06
  5. Step 5: Solve for x
    x = 201,248,998,920.06/511,256.20
  6. Step 6: Final answer
    x = 393,636.30

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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.