Home / 1,161,885.06-1,603,380.83-709,176.06

Finding the Fourth Proportional to 1,161,885.06, 1,603,380.83 and 709,176.06

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Solution

The fourth proportional to 1,161,885.06, 1,603,380.83 and 709,176.06 is: 978,650.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,885.06 : 1,603,380.83 = 709,176.06 : x
  2. Step 2: Convert to fraction form
    1,161,885.06/1,603,380.83 = 709,176.06/x
  3. Step 3: Cross multiply
    1,161,885.06x = 1,603,380.83 × 709,176.06
  4. Step 4: Simplify right side
    1,161,885.06x = 1,137,079,296,153.05
  5. Step 5: Solve for x
    x = 1,137,079,296,153.05/1,161,885.06
  6. Step 6: Final answer
    x = 978,650.42

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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.