Home / 831,570.40-1,247,355.60-532,634.85

Finding the Fourth Proportional to 831,570.40, 1,247,355.60 and 532,634.85

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Solution

The fourth proportional to 831,570.40, 1,247,355.60 and 532,634.85 is: 798,952.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,570.40 : 1,247,355.60 = 532,634.85 : x
  2. Step 2: Convert to fraction form
    831,570.40/1,247,355.60 = 532,634.85/x
  3. Step 3: Cross multiply
    831,570.40x = 1,247,355.60 × 532,634.85
  4. Step 4: Simplify right side
    831,570.40x = 664,385,062,902.66
  5. Step 5: Solve for x
    x = 664,385,062,902.66/831,570.40
  6. Step 6: Final answer
    x = 798,952.28

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1.5x scale

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.