Home / 853,362.47-1,177,920.86-679,252.05

Finding the Fourth Proportional to 853,362.47, 1,177,920.86 and 679,252.05

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Solution

The fourth proportional to 853,362.47, 1,177,920.86 and 679,252.05 is: 937,591.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,362.47 : 1,177,920.86 = 679,252.05 : x
  2. Step 2: Convert to fraction form
    853,362.47/1,177,920.86 = 679,252.05/x
  3. Step 3: Cross multiply
    853,362.47x = 1,177,920.86 × 679,252.05
  4. Step 4: Simplify right side
    853,362.47x = 800,105,160,719.80
  5. Step 5: Solve for x
    x = 800,105,160,719.80/853,362.47
  6. Step 6: Final answer
    x = 937,591.22

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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.