Home / 483,493.70-724,985.40-163,535.60

Finding the Fourth Proportional to 483,493.70, 724,985.40 and 163,535.60

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Solution

The fourth proportional to 483,493.70, 724,985.40 and 163,535.60 is: 245,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,493.70 : 724,985.40 = 163,535.60 : x
  2. Step 2: Convert to fraction form
    483,493.70/724,985.40 = 163,535.60/x
  3. Step 3: Cross multiply
    483,493.70x = 724,985.40 × 163,535.60
  4. Step 4: Simplify right side
    483,493.70x = 118,560,922,380.24
  5. Step 5: Solve for x
    x = 118,560,922,380.24/483,493.70
  6. Step 6: Final answer
    x = 245,217.10

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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.