Home / 1,100,245.71-1,518,338.05-616,810.95

Finding the Fourth Proportional to 1,100,245.71, 1,518,338.05 and 616,810.95

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Solution

The fourth proportional to 1,100,245.71, 1,518,338.05 and 616,810.95 is: 851,198.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,245.71 : 1,518,338.05 = 616,810.95 : x
  2. Step 2: Convert to fraction form
    1,100,245.71/1,518,338.05 = 616,810.95/x
  3. Step 3: Cross multiply
    1,100,245.71x = 1,518,338.05 × 616,810.95
  4. Step 4: Simplify right side
    1,100,245.71x = 936,527,533,499.62
  5. Step 5: Solve for x
    x = 936,527,533,499.62/1,100,245.71
  6. Step 6: Final answer
    x = 851,198.53

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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.