Home / 431,739.18-595,800.63-238,142.54

Finding the Fourth Proportional to 431,739.18, 595,800.63 and 238,142.54

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Solution

The fourth proportional to 431,739.18, 595,800.63 and 238,142.54 is: 328,637.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,739.18 : 595,800.63 = 238,142.54 : x
  2. Step 2: Convert to fraction form
    431,739.18/595,800.63 = 238,142.54/x
  3. Step 3: Cross multiply
    431,739.18x = 595,800.63 × 238,142.54
  4. Step 4: Simplify right side
    431,739.18x = 141,885,472,382.80
  5. Step 5: Solve for x
    x = 141,885,472,382.80/431,739.18
  6. Step 6: Final answer
    x = 328,637.01

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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.