Home / 1,528,893.82-2,109,820.33-985,052.53

Finding the Fourth Proportional to 1,528,893.82, 2,109,820.33 and 985,052.53

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Solution

The fourth proportional to 1,528,893.82, 2,109,820.33 and 985,052.53 is: 1,359,338.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,893.82 : 2,109,820.33 = 985,052.53 : x
  2. Step 2: Convert to fraction form
    1,528,893.82/2,109,820.33 = 985,052.53/x
  3. Step 3: Cross multiply
    1,528,893.82x = 2,109,820.33 × 985,052.53
  4. Step 4: Simplify right side
    1,528,893.82x = 2,078,283,853,911.94
  5. Step 5: Solve for x
    x = 2,078,283,853,911.94/1,528,893.82
  6. Step 6: Final answer
    x = 1,359,338.25

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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.