Home / 1,689,663.09-2,331,791.10-925,765.86

Finding the Fourth Proportional to 1,689,663.09, 2,331,791.10 and 925,765.86

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Solution

The fourth proportional to 1,689,663.09, 2,331,791.10 and 925,765.86 is: 1,277,587.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,663.09 : 2,331,791.10 = 925,765.86 : x
  2. Step 2: Convert to fraction form
    1,689,663.09/2,331,791.10 = 925,765.86/x
  3. Step 3: Cross multiply
    1,689,663.09x = 2,331,791.10 × 925,765.86
  4. Step 4: Simplify right side
    1,689,663.09x = 2,158,692,593,031.85
  5. Step 5: Solve for x
    x = 2,158,692,593,031.85/1,689,663.09
  6. Step 6: Final answer
    x = 1,277,587.59

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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.