Home / 380,586.24-525,207.87-219,439.89

Finding the Fourth Proportional to 380,586.24, 525,207.87 and 219,439.89

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Solution

The fourth proportional to 380,586.24, 525,207.87 and 219,439.89 is: 302,826.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,586.24 : 525,207.87 = 219,439.89 : x
  2. Step 2: Convert to fraction form
    380,586.24/525,207.87 = 219,439.89/x
  3. Step 3: Cross multiply
    380,586.24x = 525,207.87 × 219,439.89
  4. Step 4: Simplify right side
    380,586.24x = 115,251,557,219.93
  5. Step 5: Solve for x
    x = 115,251,557,219.93/380,586.24
  6. Step 6: Final answer
    x = 302,826.39

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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.