Home / 438,824.82-605,590.20-247,866.60

Finding the Fourth Proportional to 438,824.82, 605,590.20 and 247,866.60

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Solution

The fourth proportional to 438,824.82, 605,590.20 and 247,866.60 is: 342,062.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,824.82 : 605,590.20 = 247,866.60 : x
  2. Step 2: Convert to fraction form
    438,824.82/605,590.20 = 247,866.60/x
  3. Step 3: Cross multiply
    438,824.82x = 605,590.20 × 247,866.60
  4. Step 4: Simplify right side
    438,824.82x = 150,105,583,867.32
  5. Step 5: Solve for x
    x = 150,105,583,867.32/438,824.82
  6. Step 6: Final answer
    x = 342,062.66

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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.