Home / 1,243,583.20-1,867,343.10-944,401.60

Finding the Fourth Proportional to 1,243,583.20, 1,867,343.10 and 944,401.60

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Solution

The fourth proportional to 1,243,583.20, 1,867,343.10 and 944,401.60 is: 1,418,097.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,583.20 : 1,867,343.10 = 944,401.60 : x
  2. Step 2: Convert to fraction form
    1,243,583.20/1,867,343.10 = 944,401.60/x
  3. Step 3: Cross multiply
    1,243,583.20x = 1,867,343.10 × 944,401.60
  4. Step 4: Simplify right side
    1,243,583.20x = 1,763,521,811,388.96
  5. Step 5: Solve for x
    x = 1,763,521,811,388.96/1,243,583.20
  6. Step 6: Final answer
    x = 1,418,097.17

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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.