Home / 511,621.38-767,431.53-174,634.07

Finding the Fourth Proportional to 511,621.38, 767,431.53 and 174,634.07

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Solution

The fourth proportional to 511,621.38, 767,431.53 and 174,634.07 is: 261,950.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,621.38 : 767,431.53 = 174,634.07 : x
  2. Step 2: Convert to fraction form
    511,621.38/767,431.53 = 174,634.07/x
  3. Step 3: Cross multiply
    511,621.38x = 767,431.53 × 174,634.07
  4. Step 4: Simplify right side
    511,621.38x = 134,019,687,693.07
  5. Step 5: Solve for x
    x = 134,019,687,693.07/511,621.38
  6. Step 6: Final answer
    x = 261,950.91

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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.