Home / 511,324.16-766,986.21-156,338.15

Finding the Fourth Proportional to 511,324.16, 766,986.21 and 156,338.15

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Solution

The fourth proportional to 511,324.16, 766,986.21 and 156,338.15 is: 234,507.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,324.16 : 766,986.21 = 156,338.15 : x
  2. Step 2: Convert to fraction form
    511,324.16/766,986.21 = 156,338.15/x
  3. Step 3: Cross multiply
    511,324.16x = 766,986.21 × 156,338.15
  4. Step 4: Simplify right side
    511,324.16x = 119,909,201,311.98
  5. Step 5: Solve for x
    x = 119,909,201,311.98/511,324.16
  6. Step 6: Final answer
    x = 234,507.21

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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.