Home / 1,243,165.05-1,864,562.82-344,513.09

Finding the Fourth Proportional to 1,243,165.05, 1,864,562.82 and 344,513.09

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Solution

The fourth proportional to 1,243,165.05, 1,864,562.82 and 344,513.09 is: 516,718.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,165.05 : 1,864,562.82 = 344,513.09 : x
  2. Step 2: Convert to fraction form
    1,243,165.05/1,864,562.82 = 344,513.09/x
  3. Step 3: Cross multiply
    1,243,165.05x = 1,864,562.82 × 344,513.09
  4. Step 4: Simplify right side
    1,243,165.05x = 642,366,289,294.50
  5. Step 5: Solve for x
    x = 642,366,289,294.50/1,243,165.05
  6. Step 6: Final answer
    x = 516,718.43

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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.