Home / 1,577,945.21-2,177,574.37-852,791.22

Finding the Fourth Proportional to 1,577,945.21, 2,177,574.37 and 852,791.22

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Solution

The fourth proportional to 1,577,945.21, 2,177,574.37 and 852,791.22 is: 1,176,857.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,945.21 : 2,177,574.37 = 852,791.22 : x
  2. Step 2: Convert to fraction form
    1,577,945.21/2,177,574.37 = 852,791.22/x
  3. Step 3: Cross multiply
    1,577,945.21x = 2,177,574.37 × 852,791.22
  4. Step 4: Simplify right side
    1,577,945.21x = 1,857,016,301,501.05
  5. Step 5: Solve for x
    x = 1,857,016,301,501.05/1,577,945.21
  6. Step 6: Final answer
    x = 1,176,857.28

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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.