Home / 892,172.16-1,231,270.92-510,272.64

Finding the Fourth Proportional to 892,172.16, 1,231,270.92 and 510,272.64

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Solution

The fourth proportional to 892,172.16, 1,231,270.92 and 510,272.64 is: 704,218.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,172.16 : 1,231,270.92 = 510,272.64 : x
  2. Step 2: Convert to fraction form
    892,172.16/1,231,270.92 = 510,272.64/x
  3. Step 3: Cross multiply
    892,172.16x = 1,231,270.92 × 510,272.64
  4. Step 4: Simplify right side
    892,172.16x = 628,283,862,903.63
  5. Step 5: Solve for x
    x = 628,283,862,903.63/892,172.16
  6. Step 6: Final answer
    x = 704,218.19

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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.