Home / 1,186,539.66-1,637,414.87-642,662.73

Finding the Fourth Proportional to 1,186,539.66, 1,637,414.87 and 642,662.73

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Solution

The fourth proportional to 1,186,539.66, 1,637,414.87 and 642,662.73 is: 886,869.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,539.66 : 1,637,414.87 = 642,662.73 : x
  2. Step 2: Convert to fraction form
    1,186,539.66/1,637,414.87 = 642,662.73/x
  3. Step 3: Cross multiply
    1,186,539.66x = 1,637,414.87 × 642,662.73
  4. Step 4: Simplify right side
    1,186,539.66x = 1,052,305,507,283.48
  5. Step 5: Solve for x
    x = 1,052,305,507,283.48/1,186,539.66
  6. Step 6: Final answer
    x = 886,869.22

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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.