Home / 349,058.20-521,222.72-277,174.12

Finding the Fourth Proportional to 349,058.20, 521,222.72 and 277,174.12

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Solution

The fourth proportional to 349,058.20, 521,222.72 and 277,174.12 is: 413,883.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,058.20 : 521,222.72 = 277,174.12 : x
  2. Step 2: Convert to fraction form
    349,058.20/521,222.72 = 277,174.12/x
  3. Step 3: Cross multiply
    349,058.20x = 521,222.72 × 277,174.12
  4. Step 4: Simplify right side
    349,058.20x = 144,469,448,740.01
  5. Step 5: Solve for x
    x = 144,469,448,740.01/349,058.20
  6. Step 6: Final answer
    x = 413,883.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.