Home / 767,115.78-1,150,802.73-234,512.16

Finding the Fourth Proportional to 767,115.78, 1,150,802.73 and 234,512.16

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Solution

The fourth proportional to 767,115.78, 1,150,802.73 and 234,512.16 is: 351,807.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,115.78 : 1,150,802.73 = 234,512.16 : x
  2. Step 2: Convert to fraction form
    767,115.78/1,150,802.73 = 234,512.16/x
  3. Step 3: Cross multiply
    767,115.78x = 1,150,802.73 × 234,512.16
  4. Step 4: Simplify right side
    767,115.78x = 269,877,233,946.20
  5. Step 5: Solve for x
    x = 269,877,233,946.20/767,115.78
  6. Step 6: Final answer
    x = 351,807.69

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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.