Home / 1,984,104.38-2,975,442.94-686,904.54

Finding the Fourth Proportional to 1,984,104.38, 2,975,442.94 and 686,904.54

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Solution

The fourth proportional to 1,984,104.38, 2,975,442.94 and 686,904.54 is: 1,030,109.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984,104.38 : 2,975,442.94 = 686,904.54 : x
  2. Step 2: Convert to fraction form
    1,984,104.38/2,975,442.94 = 686,904.54/x
  3. Step 3: Cross multiply
    1,984,104.38x = 2,975,442.94 × 686,904.54
  4. Step 4: Simplify right side
    1,984,104.38x = 2,043,845,263,996.95
  5. Step 5: Solve for x
    x = 2,043,845,263,996.95/1,984,104.38
  6. Step 6: Final answer
    x = 1,030,109.75

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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.