Home / 1,161,739.70-1,603,195.54-645,577.63

Finding the Fourth Proportional to 1,161,739.70, 1,603,195.54 and 645,577.63

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Solution

The fourth proportional to 1,161,739.70, 1,603,195.54 and 645,577.63 is: 890,894.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,739.70 : 1,603,195.54 = 645,577.63 : x
  2. Step 2: Convert to fraction form
    1,161,739.70/1,603,195.54 = 645,577.63/x
  3. Step 3: Cross multiply
    1,161,739.70x = 1,603,195.54 × 645,577.63
  4. Step 4: Simplify right side
    1,161,739.70x = 1,034,987,171,517.84
  5. Step 5: Solve for x
    x = 1,034,987,171,517.84/1,161,739.70
  6. Step 6: Final answer
    x = 890,894.21

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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.