Home / 755,009.44-1,131,989.28-334,055.68

Finding the Fourth Proportional to 755,009.44, 1,131,989.28 and 334,055.68

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Solution

The fourth proportional to 755,009.44, 1,131,989.28 and 334,055.68 is: 500,851.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,009.44 : 1,131,989.28 = 334,055.68 : x
  2. Step 2: Convert to fraction form
    755,009.44/1,131,989.28 = 334,055.68/x
  3. Step 3: Cross multiply
    755,009.44x = 1,131,989.28 × 334,055.68
  4. Step 4: Simplify right side
    755,009.44x = 378,147,448,683.11
  5. Step 5: Solve for x
    x = 378,147,448,683.11/755,009.44
  6. Step 6: Final answer
    x = 500,851.29

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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.