Home / 511,628.05-767,974.33-376,844.29

Finding the Fourth Proportional to 511,628.05, 767,974.33 and 376,844.29

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Solution

The fourth proportional to 511,628.05, 767,974.33 and 376,844.29 is: 565,658.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,628.05 : 767,974.33 = 376,844.29 : x
  2. Step 2: Convert to fraction form
    511,628.05/767,974.33 = 376,844.29/x
  3. Step 3: Cross multiply
    511,628.05x = 767,974.33 × 376,844.29
  4. Step 4: Simplify right side
    511,628.05x = 289,406,741,127.08
  5. Step 5: Solve for x
    x = 289,406,741,127.08/511,628.05
  6. Step 6: Final answer
    x = 565,658.47

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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.