Home / 1,161,791.32-1,603,316.24-645,583.52

Finding the Fourth Proportional to 1,161,791.32, 1,603,316.24 and 645,583.52

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Solution

The fourth proportional to 1,161,791.32, 1,603,316.24 and 645,583.52 is: 890,929.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,791.32 : 1,603,316.24 = 645,583.52 : x
  2. Step 2: Convert to fraction form
    1,161,791.32/1,603,316.24 = 645,583.52/x
  3. Step 3: Cross multiply
    1,161,791.32x = 1,603,316.24 × 645,583.52
  4. Step 4: Simplify right side
    1,161,791.32x = 1,035,074,541,892.36
  5. Step 5: Solve for x
    x = 1,035,074,541,892.36/1,161,791.32
  6. Step 6: Final answer
    x = 890,929.83

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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.