Home / 1,439,588.94-1,972,227.68-1,385,758.86

Finding the Fourth Proportional to 1,439,588.94, 1,972,227.68 and 1,385,758.86

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Solution

The fourth proportional to 1,439,588.94, 1,972,227.68 and 1,385,758.86 is: 1,898,480.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,588.94 : 1,972,227.68 = 1,385,758.86 : x
  2. Step 2: Convert to fraction form
    1,439,588.94/1,972,227.68 = 1,385,758.86/x
  3. Step 3: Cross multiply
    1,439,588.94x = 1,972,227.68 × 1,385,758.86
  4. Step 4: Simplify right side
    1,439,588.94x = 2,733,031,974,568.45
  5. Step 5: Solve for x
    x = 2,733,031,974,568.45/1,439,588.94
  6. Step 6: Final answer
    x = 1,898,480.81

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.