Home / 1,161,704.35-1,603,131.78-645,463

Finding the Fourth Proportional to 1,161,704.35, 1,603,131.78 and 645,463

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Solution

The fourth proportional to 1,161,704.35, 1,603,131.78 and 645,463 is: 890,727.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,704.35 : 1,603,131.78 = 645,463 : x
  2. Step 2: Convert to fraction form
    1,161,704.35/1,603,131.78 = 645,463/x
  3. Step 3: Cross multiply
    1,161,704.35x = 1,603,131.78 × 645,463
  4. Step 4: Simplify right side
    1,161,704.35x = 1,034,762,248,114.14
  5. Step 5: Solve for x
    x = 1,034,762,248,114.14/1,161,704.35
  6. Step 6: Final answer
    x = 890,727.70

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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.