Home / 1,247,296.56-1,721,269.36-674,336.56

Finding the Fourth Proportional to 1,247,296.56, 1,721,269.36 and 674,336.56

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Solution

The fourth proportional to 1,247,296.56, 1,721,269.36 and 674,336.56 is: 930,584.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,296.56 : 1,721,269.36 = 674,336.56 : x
  2. Step 2: Convert to fraction form
    1,247,296.56/1,721,269.36 = 674,336.56/x
  3. Step 3: Cross multiply
    1,247,296.56x = 1,721,269.36 × 674,336.56
  4. Step 4: Simplify right side
    1,247,296.56x = 1,160,714,859,055.80
  5. Step 5: Solve for x
    x = 1,160,714,859,055.80/1,247,296.56
  6. Step 6: Final answer
    x = 930,584.51

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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.