Home / 1,953,813.40-2,930,750.34-690,757.72

Finding the Fourth Proportional to 1,953,813.40, 2,930,750.34 and 690,757.72

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Solution

The fourth proportional to 1,953,813.40, 2,930,750.34 and 690,757.72 is: 1,036,147.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953,813.40 : 2,930,750.34 = 690,757.72 : x
  2. Step 2: Convert to fraction form
    1,953,813.40/2,930,750.34 = 690,757.72/x
  3. Step 3: Cross multiply
    1,953,813.40x = 2,930,750.34 × 690,757.72
  4. Step 4: Simplify right side
    1,953,813.40x = 2,024,438,422,747.62
  5. Step 5: Solve for x
    x = 2,024,438,422,747.62/1,953,813.40
  6. Step 6: Final answer
    x = 1,036,147.27

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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.