Home / 1,693,661.28-2,336,866.65-1,004,977.41

Finding the Fourth Proportional to 1,693,661.28, 2,336,866.65 and 1,004,977.41

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Solution

The fourth proportional to 1,693,661.28, 2,336,866.65 and 1,004,977.41 is: 1,386,639.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,661.28 : 2,336,866.65 = 1,004,977.41 : x
  2. Step 2: Convert to fraction form
    1,693,661.28/2,336,866.65 = 1,004,977.41/x
  3. Step 3: Cross multiply
    1,693,661.28x = 2,336,866.65 × 1,004,977.41
  4. Step 4: Simplify right side
    1,693,661.28x = 2,348,498,193,432.38
  5. Step 5: Solve for x
    x = 2,348,498,193,432.38/1,693,661.28
  6. Step 6: Final answer
    x = 1,386,639.83

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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.