Home / 853,366.97-1,177,927.07-679,256.55

Finding the Fourth Proportional to 853,366.97, 1,177,927.07 and 679,256.55

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Solution

The fourth proportional to 853,366.97, 1,177,927.07 and 679,256.55 is: 937,597.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,366.97 : 1,177,927.07 = 679,256.55 : x
  2. Step 2: Convert to fraction form
    853,366.97/1,177,927.07 = 679,256.55/x
  3. Step 3: Cross multiply
    853,366.97x = 1,177,927.07 × 679,256.55
  4. Step 4: Simplify right side
    853,366.97x = 800,114,674,323.53
  5. Step 5: Solve for x
    x = 800,114,674,323.53/853,366.97
  6. Step 6: Final answer
    x = 937,597.42

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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.