Home / 449,028.48-619,653.60-247,811.52

Finding the Fourth Proportional to 449,028.48, 619,653.60 and 247,811.52

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Solution

The fourth proportional to 449,028.48, 619,653.60 and 247,811.52 is: 341,976.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,028.48 : 619,653.60 = 247,811.52 : x
  2. Step 2: Convert to fraction form
    449,028.48/619,653.60 = 247,811.52/x
  3. Step 3: Cross multiply
    449,028.48x = 619,653.60 × 247,811.52
  4. Step 4: Simplify right side
    449,028.48x = 153,557,300,489.47
  5. Step 5: Solve for x
    x = 153,557,300,489.47/449,028.48
  6. Step 6: Final answer
    x = 341,976.75

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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.