Home / 1,226,539.68-1,840,086.37-405,876.20

Finding the Fourth Proportional to 1,226,539.68, 1,840,086.37 and 405,876.20

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Solution

The fourth proportional to 1,226,539.68, 1,840,086.37 and 405,876.20 is: 608,905.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,539.68 : 1,840,086.37 = 405,876.20 : x
  2. Step 2: Convert to fraction form
    1,226,539.68/1,840,086.37 = 405,876.20/x
  3. Step 3: Cross multiply
    1,226,539.68x = 1,840,086.37 × 405,876.20
  4. Step 4: Simplify right side
    1,226,539.68x = 746,847,260,304.53
  5. Step 5: Solve for x
    x = 746,847,260,304.53/1,226,539.68
  6. Step 6: Final answer
    x = 608,905.91

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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.