Home / 1,115,228.78-1,539,022.11-605,935.34

Finding the Fourth Proportional to 1,115,228.78, 1,539,022.11 and 605,935.34

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Solution

The fourth proportional to 1,115,228.78, 1,539,022.11 and 605,935.34 is: 836,194.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,228.78 : 1,539,022.11 = 605,935.34 : x
  2. Step 2: Convert to fraction form
    1,115,228.78/1,539,022.11 = 605,935.34/x
  3. Step 3: Cross multiply
    1,115,228.78x = 1,539,022.11 × 605,935.34
  4. Step 4: Simplify right side
    1,115,228.78x = 932,547,885,490.37
  5. Step 5: Solve for x
    x = 932,547,885,490.37/1,115,228.78
  6. Step 6: Final answer
    x = 836,194.24

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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.