Home / 1,115,309.89-1,539,141.66-606,020.77

Finding the Fourth Proportional to 1,115,309.89, 1,539,141.66 and 606,020.77

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Solution

The fourth proportional to 1,115,309.89, 1,539,141.66 and 606,020.77 is: 836,316.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,309.89 : 1,539,141.66 = 606,020.77 : x
  2. Step 2: Convert to fraction form
    1,115,309.89/1,539,141.66 = 606,020.77/x
  3. Step 3: Cross multiply
    1,115,309.89x = 1,539,141.66 × 606,020.77
  4. Step 4: Simplify right side
    1,115,309.89x = 932,751,813,932.28
  5. Step 5: Solve for x
    x = 932,751,813,932.28/1,115,309.89
  6. Step 6: Final answer
    x = 836,316.28

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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.