Home / 894,105.31-1,233,897.77-512,205.90

Finding the Fourth Proportional to 894,105.31, 1,233,897.77 and 512,205.90

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Solution

The fourth proportional to 894,105.31, 1,233,897.77 and 512,205.90 is: 706,862.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,105.31 : 1,233,897.77 = 512,205.90 : x
  2. Step 2: Convert to fraction form
    894,105.31/1,233,897.77 = 512,205.90/x
  3. Step 3: Cross multiply
    894,105.31x = 1,233,897.77 × 512,205.90
  4. Step 4: Simplify right side
    894,105.31x = 632,009,717,790.84
  5. Step 5: Solve for x
    x = 632,009,717,790.84/894,105.31
  6. Step 6: Final answer
    x = 706,862.73

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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.