Home / 1,226,634.87-1,840,026.11-385,186.62

Finding the Fourth Proportional to 1,226,634.87, 1,840,026.11 and 385,186.62

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Solution

The fourth proportional to 1,226,634.87, 1,840,026.11 and 385,186.62 is: 577,803.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,634.87 : 1,840,026.11 = 385,186.62 : x
  2. Step 2: Convert to fraction form
    1,226,634.87/1,840,026.11 = 385,186.62/x
  3. Step 3: Cross multiply
    1,226,634.87x = 1,840,026.11 × 385,186.62
  4. Step 4: Simplify right side
    1,226,634.87x = 708,753,428,822.52
  5. Step 5: Solve for x
    x = 708,753,428,822.52/1,226,634.87
  6. Step 6: Final answer
    x = 577,803.10

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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.