Home / 419,848.80-579,370.08-238,536.96

Finding the Fourth Proportional to 419,848.80, 579,370.08 and 238,536.96

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Solution

The fourth proportional to 419,848.80, 579,370.08 and 238,536.96 is: 329,168.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,848.80 : 579,370.08 = 238,536.96 : x
  2. Step 2: Convert to fraction form
    419,848.80/579,370.08 = 238,536.96/x
  3. Step 3: Cross multiply
    419,848.80x = 579,370.08 × 238,536.96
  4. Step 4: Simplify right side
    419,848.80x = 138,201,177,598.16
  5. Step 5: Solve for x
    x = 138,201,177,598.16/419,848.80
  6. Step 6: Final answer
    x = 329,168.92

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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.