Home / 939,806.69-1,295,952.89-557,759.66

Finding the Fourth Proportional to 939,806.69, 1,295,952.89 and 557,759.66

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Solution

The fourth proportional to 939,806.69, 1,295,952.89 and 557,759.66 is: 769,126.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,806.69 : 1,295,952.89 = 557,759.66 : x
  2. Step 2: Convert to fraction form
    939,806.69/1,295,952.89 = 557,759.66/x
  3. Step 3: Cross multiply
    939,806.69x = 1,295,952.89 × 557,759.66
  4. Step 4: Simplify right side
    939,806.69x = 722,830,234,033.86
  5. Step 5: Solve for x
    x = 722,830,234,033.86/939,806.69
  6. Step 6: Final answer
    x = 769,126.51

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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.