Home / 1,395,419.70-2,093,129.55-1,376,757.30

Finding the Fourth Proportional to 1,395,419.70, 2,093,129.55 and 1,376,757.30

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Solution

The fourth proportional to 1,395,419.70, 2,093,129.55 and 1,376,757.30 is: 2,065,135.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,419.70 : 2,093,129.55 = 1,376,757.30 : x
  2. Step 2: Convert to fraction form
    1,395,419.70/2,093,129.55 = 1,376,757.30/x
  3. Step 3: Cross multiply
    1,395,419.70x = 2,093,129.55 × 1,376,757.30
  4. Step 4: Simplify right side
    1,395,419.70x = 2,881,731,387,808.22
  5. Step 5: Solve for x
    x = 2,881,731,387,808.22/1,395,419.70
  6. Step 6: Final answer
    x = 2,065,135.95

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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.