Home / 1,582,327.75-2,183,610.32-857,178.47

Finding the Fourth Proportional to 1,582,327.75, 2,183,610.32 and 857,178.47

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Solution

The fourth proportional to 1,582,327.75, 2,183,610.32 and 857,178.47 is: 1,182,905.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,582,327.75 : 2,183,610.32 = 857,178.47 : x
  2. Step 2: Convert to fraction form
    1,582,327.75/2,183,610.32 = 857,178.47/x
  3. Step 3: Cross multiply
    1,582,327.75x = 2,183,610.32 × 857,178.47
  4. Step 4: Simplify right side
    1,582,327.75x = 1,871,743,753,173.81
  5. Step 5: Solve for x
    x = 1,871,743,753,173.81/1,582,327.75
  6. Step 6: Final answer
    x = 1,182,905.22

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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.