Home / 898,983.97-1,240,635.59-517,011.05

Finding the Fourth Proportional to 898,983.97, 1,240,635.59 and 517,011.05

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Solution

The fourth proportional to 898,983.97, 1,240,635.59 and 517,011.05 is: 713,496.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,983.97 : 1,240,635.59 = 517,011.05 : x
  2. Step 2: Convert to fraction form
    898,983.97/1,240,635.59 = 517,011.05/x
  3. Step 3: Cross multiply
    898,983.97x = 1,240,635.59 × 517,011.05
  4. Step 4: Simplify right side
    898,983.97x = 641,422,311,508.60
  5. Step 5: Solve for x
    x = 641,422,311,508.60/898,983.97
  6. Step 6: Final answer
    x = 713,496.94

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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.