Home / 923,161.77-1,273,911.44-515,289.92

Finding the Fourth Proportional to 923,161.77, 1,273,911.44 and 515,289.92

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Solution

The fourth proportional to 923,161.77, 1,273,911.44 and 515,289.92 is: 711,071.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,161.77 : 1,273,911.44 = 515,289.92 : x
  2. Step 2: Convert to fraction form
    923,161.77/1,273,911.44 = 515,289.92/x
  3. Step 3: Cross multiply
    923,161.77x = 1,273,911.44 × 515,289.92
  4. Step 4: Simplify right side
    923,161.77x = 656,433,715,058.68
  5. Step 5: Solve for x
    x = 656,433,715,058.68/923,161.77
  6. Step 6: Final answer
    x = 711,071.16

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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.