Home / 861,531.27-1,291,132.32-622,054.77

Finding the Fourth Proportional to 861,531.27, 1,291,132.32 and 622,054.77

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Solution

The fourth proportional to 861,531.27, 1,291,132.32 and 622,054.77 is: 932,241.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,531.27 : 1,291,132.32 = 622,054.77 : x
  2. Step 2: Convert to fraction form
    861,531.27/1,291,132.32 = 622,054.77/x
  3. Step 3: Cross multiply
    861,531.27x = 1,291,132.32 × 622,054.77
  4. Step 4: Simplify right side
    861,531.27x = 803,155,011,901.51
  5. Step 5: Solve for x
    x = 803,155,011,901.51/861,531.27
  6. Step 6: Final answer
    x = 932,241.28

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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.