Home / 831,308.43-1,243,848.73-591,975.45

Finding the Fourth Proportional to 831,308.43, 1,243,848.73 and 591,975.45

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Solution

The fourth proportional to 831,308.43, 1,243,848.73 and 591,975.45 is: 885,745.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,308.43 : 1,243,848.73 = 591,975.45 : x
  2. Step 2: Convert to fraction form
    831,308.43/1,243,848.73 = 591,975.45/x
  3. Step 3: Cross multiply
    831,308.43x = 1,243,848.73 × 591,975.45
  4. Step 4: Simplify right side
    831,308.43x = 736,327,914,717.78
  5. Step 5: Solve for x
    x = 736,327,914,717.78/831,308.43
  6. Step 6: Final answer
    x = 885,745.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.