Home / 1,395,579.30-1,925,892.14-783,757.85

Finding the Fourth Proportional to 1,395,579.30, 1,925,892.14 and 783,757.85

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Solution

The fourth proportional to 1,395,579.30, 1,925,892.14 and 783,757.85 is: 1,081,581.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,579.30 : 1,925,892.14 = 783,757.85 : x
  2. Step 2: Convert to fraction form
    1,395,579.30/1,925,892.14 = 783,757.85/x
  3. Step 3: Cross multiply
    1,395,579.30x = 1,925,892.14 × 783,757.85
  4. Step 4: Simplify right side
    1,395,579.30x = 1,509,433,069,430.05
  5. Step 5: Solve for x
    x = 1,509,433,069,430.05/1,395,579.30
  6. Step 6: Final answer
    x = 1,081,581.73

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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.