Home / 1,187,856.23-1,639,220.22-671,601.24

Finding the Fourth Proportional to 1,187,856.23, 1,639,220.22 and 671,601.24

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Solution

The fourth proportional to 1,187,856.23, 1,639,220.22 and 671,601.24 is: 926,797.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,856.23 : 1,639,220.22 = 671,601.24 : x
  2. Step 2: Convert to fraction form
    1,187,856.23/1,639,220.22 = 671,601.24/x
  3. Step 3: Cross multiply
    1,187,856.23x = 1,639,220.22 × 671,601.24
  4. Step 4: Simplify right side
    1,187,856.23x = 1,100,902,332,385.07
  5. Step 5: Solve for x
    x = 1,100,902,332,385.07/1,187,856.23
  6. Step 6: Final answer
    x = 926,797.63

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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.