Home / 1,581,408.46-2,182,334.48-856,241.20

Finding the Fourth Proportional to 1,581,408.46, 2,182,334.48 and 856,241.20

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Solution

The fourth proportional to 1,581,408.46, 2,182,334.48 and 856,241.20 is: 1,181,607.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,408.46 : 2,182,334.48 = 856,241.20 : x
  2. Step 2: Convert to fraction form
    1,581,408.46/2,182,334.48 = 856,241.20/x
  3. Step 3: Cross multiply
    1,581,408.46x = 2,182,334.48 × 856,241.20
  4. Step 4: Simplify right side
    1,581,408.46x = 1,868,604,693,956.58
  5. Step 5: Solve for x
    x = 1,868,604,693,956.58/1,581,408.46
  6. Step 6: Final answer
    x = 1,181,607.88

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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.