Home / 449,249.39-619,961.04-245,300.20

Finding the Fourth Proportional to 449,249.39, 619,961.04 and 245,300.20

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Solution

The fourth proportional to 449,249.39, 619,961.04 and 245,300.20 is: 338,512.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,249.39 : 619,961.04 = 245,300.20 : x
  2. Step 2: Convert to fraction form
    449,249.39/619,961.04 = 245,300.20/x
  3. Step 3: Cross multiply
    449,249.39x = 619,961.04 × 245,300.20
  4. Step 4: Simplify right side
    449,249.39x = 152,076,565,554.31
  5. Step 5: Solve for x
    x = 152,076,565,554.31/449,249.39
  6. Step 6: Final answer
    x = 338,512.57

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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.