Home / 439,936.05-607,111.74-238,732.05

Finding the Fourth Proportional to 439,936.05, 607,111.74 and 238,732.05

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Solution

The fourth proportional to 439,936.05, 607,111.74 and 238,732.05 is: 329,450.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,936.05 : 607,111.74 = 238,732.05 : x
  2. Step 2: Convert to fraction form
    439,936.05/607,111.74 = 238,732.05/x
  3. Step 3: Cross multiply
    439,936.05x = 607,111.74 × 238,732.05
  4. Step 4: Simplify right side
    439,936.05x = 144,937,030,269.27
  5. Step 5: Solve for x
    x = 144,937,030,269.27/439,936.05
  6. Step 6: Final answer
    x = 329,450.22

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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.