Home / 379,675.24-523,801.14-218,443.52

Finding the Fourth Proportional to 379,675.24, 523,801.14 and 218,443.52

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Solution

The fourth proportional to 379,675.24, 523,801.14 and 218,443.52 is: 301,365.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,675.24 : 523,801.14 = 218,443.52 : x
  2. Step 2: Convert to fraction form
    379,675.24/523,801.14 = 218,443.52/x
  3. Step 3: Cross multiply
    379,675.24x = 523,801.14 × 218,443.52
  4. Step 4: Simplify right side
    379,675.24x = 114,420,964,801.61
  5. Step 5: Solve for x
    x = 114,420,964,801.61/379,675.24
  6. Step 6: Final answer
    x = 301,365.36

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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.