Home / 1,022,398.61-1,410,891.21-557,256.51

Finding the Fourth Proportional to 1,022,398.61, 1,410,891.21 and 557,256.51

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Solution

The fourth proportional to 1,022,398.61, 1,410,891.21 and 557,256.51 is: 769,003.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,398.61 : 1,410,891.21 = 557,256.51 : x
  2. Step 2: Convert to fraction form
    1,022,398.61/1,410,891.21 = 557,256.51/x
  3. Step 3: Cross multiply
    1,022,398.61x = 1,410,891.21 × 557,256.51
  4. Step 4: Simplify right side
    1,022,398.61x = 786,228,311,674.28
  5. Step 5: Solve for x
    x = 786,228,311,674.28/1,022,398.61
  6. Step 6: Final answer
    x = 769,003.70

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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.