Home / 1,690,863.20-2,333,329.52-926,900.36

Finding the Fourth Proportional to 1,690,863.20, 2,333,329.52 and 926,900.36

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Solution

The fourth proportional to 1,690,863.20, 2,333,329.52 and 926,900.36 is: 1,279,088.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,863.20 : 2,333,329.52 = 926,900.36 : x
  2. Step 2: Convert to fraction form
    1,690,863.20/2,333,329.52 = 926,900.36/x
  3. Step 3: Cross multiply
    1,690,863.20x = 2,333,329.52 × 926,900.36
  4. Step 4: Simplify right side
    1,690,863.20x = 2,162,763,972,086.63
  5. Step 5: Solve for x
    x = 2,162,763,972,086.63/1,690,863.20
  6. Step 6: Final answer
    x = 1,279,088.68

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1.5x scale

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.