Home / 1,216,387.26-1,678,442.85-699,944.76

Finding the Fourth Proportional to 1,216,387.26, 1,678,442.85 and 699,944.76

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Solution

The fourth proportional to 1,216,387.26, 1,678,442.85 and 699,944.76 is: 965,825.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,387.26 : 1,678,442.85 = 699,944.76 : x
  2. Step 2: Convert to fraction form
    1,216,387.26/1,678,442.85 = 699,944.76/x
  3. Step 3: Cross multiply
    1,216,387.26x = 1,678,442.85 × 699,944.76
  4. Step 4: Simplify right side
    1,216,387.26x = 1,174,817,277,816.97
  5. Step 5: Solve for x
    x = 1,174,817,277,816.97/1,216,387.26
  6. Step 6: Final answer
    x = 965,825.04

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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.