Home / 1,723,943.52-2,379,042.01-999,211.61

Finding the Fourth Proportional to 1,723,943.52, 2,379,042.01 and 999,211.61

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Solution

The fourth proportional to 1,723,943.52, 2,379,042.01 and 999,211.61 is: 1,378,911.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723,943.52 : 2,379,042.01 = 999,211.61 : x
  2. Step 2: Convert to fraction form
    1,723,943.52/2,379,042.01 = 999,211.61/x
  3. Step 3: Cross multiply
    1,723,943.52x = 2,379,042.01 × 999,211.61
  4. Step 4: Simplify right side
    1,723,943.52x = 2,377,166,397,069.74
  5. Step 5: Solve for x
    x = 2,377,166,397,069.74/1,723,943.52
  6. Step 6: Final answer
    x = 1,378,911.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.