Home / 483,280.16-724,642.40-199,166.85

Finding the Fourth Proportional to 483,280.16, 724,642.40 and 199,166.85

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Solution

The fourth proportional to 483,280.16, 724,642.40 and 199,166.85 is: 298,635.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,280.16 : 724,642.40 = 199,166.85 : x
  2. Step 2: Convert to fraction form
    483,280.16/724,642.40 = 199,166.85/x
  3. Step 3: Cross multiply
    483,280.16x = 724,642.40 × 199,166.85
  4. Step 4: Simplify right side
    483,280.16x = 144,324,744,682.36
  5. Step 5: Solve for x
    x = 144,324,744,682.36/483,280.16
  6. Step 6: Final answer
    x = 298,635.78

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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.