Home / 936,058.86-1,291,753.17-528,163.74

Finding the Fourth Proportional to 936,058.86, 1,291,753.17 and 528,163.74

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Solution

The fourth proportional to 936,058.86, 1,291,753.17 and 528,163.74 is: 728,861.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,058.86 : 1,291,753.17 = 528,163.74 : x
  2. Step 2: Convert to fraction form
    936,058.86/1,291,753.17 = 528,163.74/x
  3. Step 3: Cross multiply
    936,058.86x = 1,291,753.17 × 528,163.74
  4. Step 4: Simplify right side
    936,058.86x = 682,257,185,424.06
  5. Step 5: Solve for x
    x = 682,257,185,424.06/936,058.86
  6. Step 6: Final answer
    x = 728,861.42

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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.