Home / 1,312,910.91-1,969,631.78-554,754.56

Finding the Fourth Proportional to 1,312,910.91, 1,969,631.78 and 554,754.56

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Solution

The fourth proportional to 1,312,910.91, 1,969,631.78 and 554,754.56 is: 832,243.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,910.91 : 1,969,631.78 = 554,754.56 : x
  2. Step 2: Convert to fraction form
    1,312,910.91/1,969,631.78 = 554,754.56/x
  3. Step 3: Cross multiply
    1,312,910.91x = 1,969,631.78 × 554,754.56
  4. Step 4: Simplify right side
    1,312,910.91x = 1,092,662,198,853.99
  5. Step 5: Solve for x
    x = 1,092,662,198,853.99/1,312,910.91
  6. Step 6: Final answer
    x = 832,243.98

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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.