Home / 1,197,944.62-1,653,151.05-654,078.72

Finding the Fourth Proportional to 1,197,944.62, 1,653,151.05 and 654,078.72

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Solution

The fourth proportional to 1,197,944.62, 1,653,151.05 and 654,078.72 is: 902,621.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,944.62 : 1,653,151.05 = 654,078.72 : x
  2. Step 2: Convert to fraction form
    1,197,944.62/1,653,151.05 = 654,078.72/x
  3. Step 3: Cross multiply
    1,197,944.62x = 1,653,151.05 × 654,078.72
  4. Step 4: Simplify right side
    1,197,944.62x = 1,081,290,922,750.66
  5. Step 5: Solve for x
    x = 1,081,290,922,750.66/1,197,944.62
  6. Step 6: Final answer
    x = 902,621.79

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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.