Home / 1,680,676.72-2,318,672.93-1,034,975.90

Finding the Fourth Proportional to 1,680,676.72, 2,318,672.93 and 1,034,975.90

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Solution

The fourth proportional to 1,680,676.72, 2,318,672.93 and 1,034,975.90 is: 1,427,859.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,676.72 : 2,318,672.93 = 1,034,975.90 : x
  2. Step 2: Convert to fraction form
    1,680,676.72/2,318,672.93 = 1,034,975.90/x
  3. Step 3: Cross multiply
    1,680,676.72x = 2,318,672.93 × 1,034,975.90
  4. Step 4: Simplify right side
    1,680,676.72x = 2,399,770,603,154.19
  5. Step 5: Solve for x
    x = 2,399,770,603,154.19/1,680,676.72
  6. Step 6: Final answer
    x = 1,427,859.73

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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.