Home / 861,708.51-1,292,553.72-222,009.66

Finding the Fourth Proportional to 861,708.51, 1,292,553.72 and 222,009.66

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Solution

The fourth proportional to 861,708.51, 1,292,553.72 and 222,009.66 is: 333,012.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,708.51 : 1,292,553.72 = 222,009.66 : x
  2. Step 2: Convert to fraction form
    861,708.51/1,292,553.72 = 222,009.66/x
  3. Step 3: Cross multiply
    861,708.51x = 1,292,553.72 × 222,009.66
  4. Step 4: Simplify right side
    861,708.51x = 286,959,411,908.94
  5. Step 5: Solve for x
    x = 286,959,411,908.94/861,708.51
  6. Step 6: Final answer
    x = 333,012.16

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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.