Home / 831,642.60-1,248,047.10-532,849.80

Finding the Fourth Proportional to 831,642.60, 1,248,047.10 and 532,849.80

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Solution

The fourth proportional to 831,642.60, 1,248,047.10 and 532,849.80 is: 799,648.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,642.60 : 1,248,047.10 = 532,849.80 : x
  2. Step 2: Convert to fraction form
    831,642.60/1,248,047.10 = 532,849.80/x
  3. Step 3: Cross multiply
    831,642.60x = 1,248,047.10 × 532,849.80
  4. Step 4: Simplify right side
    831,642.60x = 665,021,647,625.58
  5. Step 5: Solve for x
    x = 665,021,647,625.58/831,642.60
  6. Step 6: Final answer
    x = 799,648.37

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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.