Home / 1,765,689.40-2,648,515.32-1,169,318.80

Finding the Fourth Proportional to 1,765,689.40, 2,648,515.32 and 1,169,318.80

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Solution

The fourth proportional to 1,765,689.40, 2,648,515.32 and 1,169,318.80 is: 1,753,965.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765,689.40 : 2,648,515.32 = 1,169,318.80 : x
  2. Step 2: Convert to fraction form
    1,765,689.40/2,648,515.32 = 1,169,318.80/x
  3. Step 3: Cross multiply
    1,765,689.40x = 2,648,515.32 × 1,169,318.80
  4. Step 4: Simplify right side
    1,765,689.40x = 3,096,958,755,764.02
  5. Step 5: Solve for x
    x = 3,096,958,755,764.02/1,765,689.40
  6. Step 6: Final answer
    x = 1,753,965.76

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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.