Home / 942,019.44-1,299,974.60-512,290.42

Finding the Fourth Proportional to 942,019.44, 1,299,974.60 and 512,290.42

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Solution

The fourth proportional to 942,019.44, 1,299,974.60 and 512,290.42 is: 706,954.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,019.44 : 1,299,974.60 = 512,290.42 : x
  2. Step 2: Convert to fraction form
    942,019.44/1,299,974.60 = 512,290.42/x
  3. Step 3: Cross multiply
    942,019.44x = 1,299,974.60 × 512,290.42
  4. Step 4: Simplify right side
    942,019.44x = 665,964,533,823.33
  5. Step 5: Solve for x
    x = 665,964,533,823.33/942,019.44
  6. Step 6: Final answer
    x = 706,954.13

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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.