Home / 349,012.04-522,484.70-215,462.88

Finding the Fourth Proportional to 349,012.04, 522,484.70 and 215,462.88

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Solution

The fourth proportional to 349,012.04, 522,484.70 and 215,462.88 is: 322,556.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,012.04 : 522,484.70 = 215,462.88 : x
  2. Step 2: Convert to fraction form
    349,012.04/522,484.70 = 215,462.88/x
  3. Step 3: Cross multiply
    349,012.04x = 522,484.70 × 215,462.88
  4. Step 4: Simplify right side
    349,012.04x = 112,576,057,140.62
  5. Step 5: Solve for x
    x = 112,576,057,140.62/349,012.04
  6. Step 6: Final answer
    x = 322,556.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.