Home / 693,604.40-1,040,406.60-652,132.40

Finding the Fourth Proportional to 693,604.40, 1,040,406.60 and 652,132.40

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Solution

The fourth proportional to 693,604.40, 1,040,406.60 and 652,132.40 is: 978,198.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,604.40 : 1,040,406.60 = 652,132.40 : x
  2. Step 2: Convert to fraction form
    693,604.40/1,040,406.60 = 652,132.40/x
  3. Step 3: Cross multiply
    693,604.40x = 1,040,406.60 × 652,132.40
  4. Step 4: Simplify right side
    693,604.40x = 678,482,853,033.84
  5. Step 5: Solve for x
    x = 678,482,853,033.84/693,604.40
  6. Step 6: Final answer
    x = 978,198.60

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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.