Home / 910,922.22-1,256,901.30-523,872.36

Finding the Fourth Proportional to 910,922.22, 1,256,901.30 and 523,872.36

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Solution

The fourth proportional to 910,922.22, 1,256,901.30 and 523,872.36 is: 722,845.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,922.22 : 1,256,901.30 = 523,872.36 : x
  2. Step 2: Convert to fraction form
    910,922.22/1,256,901.30 = 523,872.36/x
  3. Step 3: Cross multiply
    910,922.22x = 1,256,901.30 × 523,872.36
  4. Step 4: Simplify right side
    910,922.22x = 658,455,850,318.07
  5. Step 5: Solve for x
    x = 658,455,850,318.07/910,922.22
  6. Step 6: Final answer
    x = 722,845.31

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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.