Home / 936,379.46-1,292,110.17-528,441.86

Finding the Fourth Proportional to 936,379.46, 1,292,110.17 and 528,441.86

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Solution

The fourth proportional to 936,379.46, 1,292,110.17 and 528,441.86 is: 729,197.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,379.46 : 1,292,110.17 = 528,441.86 : x
  2. Step 2: Convert to fraction form
    936,379.46/1,292,110.17 = 528,441.86/x
  3. Step 3: Cross multiply
    936,379.46x = 1,292,110.17 × 528,441.86
  4. Step 4: Simplify right side
    936,379.46x = 682,805,101,559.72
  5. Step 5: Solve for x
    x = 682,805,101,559.72/936,379.46
  6. Step 6: Final answer
    x = 729,197.01

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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.