Home / 1,693,660.78-2,336,865.96-1,004,976.91

Finding the Fourth Proportional to 1,693,660.78, 2,336,865.96 and 1,004,976.91

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Solution

The fourth proportional to 1,693,660.78, 2,336,865.96 and 1,004,976.91 is: 1,386,639.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,660.78 : 2,336,865.96 = 1,004,976.91 : x
  2. Step 2: Convert to fraction form
    1,693,660.78/2,336,865.96 = 1,004,976.91/x
  3. Step 3: Cross multiply
    1,693,660.78x = 2,336,865.96 × 1,004,976.91
  4. Step 4: Simplify right side
    1,693,660.78x = 2,348,496,331,564.98
  5. Step 5: Solve for x
    x = 2,348,496,331,564.98/1,693,660.78
  6. Step 6: Final answer
    x = 1,386,639.14

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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.