Home / 723,777.53-998,932.75-401,591.42

Finding the Fourth Proportional to 723,777.53, 998,932.75 and 401,591.42

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Solution

The fourth proportional to 723,777.53, 998,932.75 and 401,591.42 is: 554,262.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,777.53 : 998,932.75 = 401,591.42 : x
  2. Step 2: Convert to fraction form
    723,777.53/998,932.75 = 401,591.42/x
  3. Step 3: Cross multiply
    723,777.53x = 998,932.75 × 401,591.42
  4. Step 4: Simplify right side
    723,777.53x = 401,162,821,563.31
  5. Step 5: Solve for x
    x = 401,162,821,563.31/723,777.53
  6. Step 6: Final answer
    x = 554,262.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.