Home / 1,656,717.20-2,481,828.09-858,522.35

Finding the Fourth Proportional to 1,656,717.20, 2,481,828.09 and 858,522.35

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Solution

The fourth proportional to 1,656,717.20, 2,481,828.09 and 858,522.35 is: 1,286,100.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,717.20 : 2,481,828.09 = 858,522.35 : x
  2. Step 2: Convert to fraction form
    1,656,717.20/2,481,828.09 = 858,522.35/x
  3. Step 3: Cross multiply
    1,656,717.20x = 2,481,828.09 × 858,522.35
  4. Step 4: Simplify right side
    1,656,717.20x = 2,130,704,884,122.81
  5. Step 5: Solve for x
    x = 2,130,704,884,122.81/1,656,717.20
  6. Step 6: Final answer
    x = 1,286,100.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.