Home / 1,087,561.25-1,631,507.85-554,791.62

Finding the Fourth Proportional to 1,087,561.25, 1,631,507.85 and 554,791.62

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Solution

The fourth proportional to 1,087,561.25, 1,631,507.85 and 554,791.62 is: 832,272.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,561.25 : 1,631,507.85 = 554,791.62 : x
  2. Step 2: Convert to fraction form
    1,087,561.25/1,631,507.85 = 554,791.62/x
  3. Step 3: Cross multiply
    1,087,561.25x = 1,631,507.85 × 554,791.62
  4. Step 4: Simplify right side
    1,087,561.25x = 905,146,883,144.22
  5. Step 5: Solve for x
    x = 905,146,883,144.22/1,087,561.25
  6. Step 6: Final answer
    x = 832,272.10

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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.