Home / 923,607.43-1,274,599.90-515,695.48

Finding the Fourth Proportional to 923,607.43, 1,274,599.90 and 515,695.48

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Solution

The fourth proportional to 923,607.43, 1,274,599.90 and 515,695.48 is: 711,671.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,607.43 : 1,274,599.90 = 515,695.48 : x
  2. Step 2: Convert to fraction form
    923,607.43/1,274,599.90 = 515,695.48/x
  3. Step 3: Cross multiply
    923,607.43x = 1,274,599.90 × 515,695.48
  4. Step 4: Simplify right side
    923,607.43x = 657,305,404,696.57
  5. Step 5: Solve for x
    x = 657,305,404,696.57/923,607.43
  6. Step 6: Final answer
    x = 711,671.85

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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.