Home / 1,216,055.92-1,678,323.96-699,799.12

Finding the Fourth Proportional to 1,216,055.92, 1,678,323.96 and 699,799.12

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Solution

The fourth proportional to 1,216,055.92, 1,678,323.96 and 699,799.12 is: 965,818.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,055.92 : 1,678,323.96 = 699,799.12 : x
  2. Step 2: Convert to fraction form
    1,216,055.92/1,678,323.96 = 699,799.12/x
  3. Step 3: Cross multiply
    1,216,055.92x = 1,678,323.96 × 699,799.12
  4. Step 4: Simplify right side
    1,216,055.92x = 1,174,489,630,282.92
  5. Step 5: Solve for x
    x = 1,174,489,630,282.92/1,216,055.92
  6. Step 6: Final answer
    x = 965,818.77

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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.