Home / 957,163.22-1,320,894.10-527,458.72

Finding the Fourth Proportional to 957,163.22, 1,320,894.10 and 527,458.72

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Solution

The fourth proportional to 957,163.22, 1,320,894.10 and 527,458.72 is: 727,897.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,163.22 : 1,320,894.10 = 527,458.72 : x
  2. Step 2: Convert to fraction form
    957,163.22/1,320,894.10 = 527,458.72/x
  3. Step 3: Cross multiply
    957,163.22x = 1,320,894.10 × 527,458.72
  4. Step 4: Simplify right side
    957,163.22x = 696,717,111,241.55
  5. Step 5: Solve for x
    x = 696,717,111,241.55/957,163.22
  6. Step 6: Final answer
    x = 727,897.91

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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.