Home / 724,474.80-1,086,280.20-444,193.20

Finding the Fourth Proportional to 724,474.80, 1,086,280.20 and 444,193.20

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Solution

The fourth proportional to 724,474.80, 1,086,280.20 and 444,193.20 is: 666,024.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,474.80 : 1,086,280.20 = 444,193.20 : x
  2. Step 2: Convert to fraction form
    724,474.80/1,086,280.20 = 444,193.20/x
  3. Step 3: Cross multiply
    724,474.80x = 1,086,280.20 × 444,193.20
  4. Step 4: Simplify right side
    724,474.80x = 482,518,278,134.64
  5. Step 5: Solve for x
    x = 482,518,278,134.64/724,474.80
  6. Step 6: Final answer
    x = 666,024.93

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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.