Home / 484,116.12-724,621.32-258,913.44

Finding the Fourth Proportional to 484,116.12, 724,621.32 and 258,913.44

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Solution

The fourth proportional to 484,116.12, 724,621.32 and 258,913.44 is: 387,539.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,116.12 : 724,621.32 = 258,913.44 : x
  2. Step 2: Convert to fraction form
    484,116.12/724,621.32 = 258,913.44/x
  3. Step 3: Cross multiply
    484,116.12x = 724,621.32 × 258,913.44
  4. Step 4: Simplify right side
    484,116.12x = 187,614,198,658.54
  5. Step 5: Solve for x
    x = 187,614,198,658.54/484,116.12
  6. Step 6: Final answer
    x = 387,539.66

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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.