Home / 349,436.72-481,032.63-258,621.55

Finding the Fourth Proportional to 349,436.72, 481,032.63 and 258,621.55

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Solution

The fourth proportional to 349,436.72, 481,032.63 and 258,621.55 is: 356,016.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,436.72 : 481,032.63 = 258,621.55 : x
  2. Step 2: Convert to fraction form
    349,436.72/481,032.63 = 258,621.55/x
  3. Step 3: Cross multiply
    349,436.72x = 481,032.63 × 258,621.55
  4. Step 4: Simplify right side
    349,436.72x = 124,405,404,371.18
  5. Step 5: Solve for x
    x = 124,405,404,371.18/349,436.72
  6. Step 6: Final answer
    x = 356,016.98

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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.