Home / 438,950.14-605,800.35-247,975.83

Finding the Fourth Proportional to 438,950.14, 605,800.35 and 247,975.83

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Solution

The fourth proportional to 438,950.14, 605,800.35 and 247,975.83 is: 342,234.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,950.14 : 605,800.35 = 247,975.83 : x
  2. Step 2: Convert to fraction form
    438,950.14/605,800.35 = 247,975.83/x
  3. Step 3: Cross multiply
    438,950.14x = 605,800.35 × 247,975.83
  4. Step 4: Simplify right side
    438,950.14x = 150,223,844,605.54
  5. Step 5: Solve for x
    x = 150,223,844,605.54/438,950.14
  6. Step 6: Final answer
    x = 342,234.42

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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.