Home / 1,055,225.78-1,456,216.64-571,791.80

Finding the Fourth Proportional to 1,055,225.78, 1,456,216.64 and 571,791.80

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Solution

The fourth proportional to 1,055,225.78, 1,456,216.64 and 571,791.80 is: 789,075.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,225.78 : 1,456,216.64 = 571,791.80 : x
  2. Step 2: Convert to fraction form
    1,055,225.78/1,456,216.64 = 571,791.80/x
  3. Step 3: Cross multiply
    1,055,225.78x = 1,456,216.64 × 571,791.80
  4. Step 4: Simplify right side
    1,055,225.78x = 832,652,733,775.55
  5. Step 5: Solve for x
    x = 832,652,733,775.55/1,055,225.78
  6. Step 6: Final answer
    x = 789,075.43

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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.