Home / 381,077.30-525,848.78-219,984.24

Finding the Fourth Proportional to 381,077.30, 525,848.78 and 219,984.24

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Solution

The fourth proportional to 381,077.30, 525,848.78 and 219,984.24 is: 303,556.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,077.30 : 525,848.78 = 219,984.24 : x
  2. Step 2: Convert to fraction form
    381,077.30/525,848.78 = 219,984.24/x
  3. Step 3: Cross multiply
    381,077.30x = 525,848.78 × 219,984.24
  4. Step 4: Simplify right side
    381,077.30x = 115,678,443,123.31
  5. Step 5: Solve for x
    x = 115,678,443,123.31/381,077.30
  6. Step 6: Final answer
    x = 303,556.38

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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.