Home / 936,511.41-1,292,385.75-506,791.55

Finding the Fourth Proportional to 936,511.41, 1,292,385.75 and 506,791.55

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Solution

The fourth proportional to 936,511.41, 1,292,385.75 and 506,791.55 is: 699,372.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,511.41 : 1,292,385.75 = 506,791.55 : x
  2. Step 2: Convert to fraction form
    936,511.41/1,292,385.75 = 506,791.55/x
  3. Step 3: Cross multiply
    936,511.41x = 1,292,385.75 × 506,791.55
  4. Step 4: Simplify right side
    936,511.41x = 654,970,170,978.48
  5. Step 5: Solve for x
    x = 654,970,170,978.48/936,511.41
  6. Step 6: Final answer
    x = 699,372.33

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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.