Home / 1,690,535.18-2,332,933.71-926,586.38

Finding the Fourth Proportional to 1,690,535.18, 2,332,933.71 and 926,586.38

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Solution

The fourth proportional to 1,690,535.18, 2,332,933.71 and 926,586.38 is: 1,278,686.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,535.18 : 2,332,933.71 = 926,586.38 : x
  2. Step 2: Convert to fraction form
    1,690,535.18/2,332,933.71 = 926,586.38/x
  3. Step 3: Cross multiply
    1,690,535.18x = 2,332,933.71 × 926,586.38
  4. Step 4: Simplify right side
    1,690,535.18x = 2,161,664,601,128.87
  5. Step 5: Solve for x
    x = 2,161,664,601,128.87/1,690,535.18
  6. Step 6: Final answer
    x = 1,278,686.55

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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.