Home / 431,272.36-646,079.42-241,156.11

Finding the Fourth Proportional to 431,272.36, 646,079.42 and 241,156.11

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Solution

The fourth proportional to 431,272.36, 646,079.42 and 241,156.11 is: 361,270.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,272.36 : 646,079.42 = 241,156.11 : x
  2. Step 2: Convert to fraction form
    431,272.36/646,079.42 = 241,156.11/x
  3. Step 3: Cross multiply
    431,272.36x = 646,079.42 × 241,156.11
  4. Step 4: Simplify right side
    431,272.36x = 155,805,999,678.26
  5. Step 5: Solve for x
    x = 155,805,999,678.26/431,272.36
  6. Step 6: Final answer
    x = 361,270.54

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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.