Home / 962,786.64-1,328,659.56-554,663.28

Finding the Fourth Proportional to 962,786.64, 1,328,659.56 and 554,663.28

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Solution

The fourth proportional to 962,786.64, 1,328,659.56 and 554,663.28 is: 765,443.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,786.64 : 1,328,659.56 = 554,663.28 : x
  2. Step 2: Convert to fraction form
    962,786.64/1,328,659.56 = 554,663.28/x
  3. Step 3: Cross multiply
    962,786.64x = 1,328,659.56 × 554,663.28
  4. Step 4: Simplify right side
    962,786.64x = 736,958,669,552.96
  5. Step 5: Solve for x
    x = 736,958,669,552.96/962,786.64
  6. Step 6: Final answer
    x = 765,443.39

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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.