Home / 898,982.19-1,240,633.13-517,009.28

Finding the Fourth Proportional to 898,982.19, 1,240,633.13 and 517,009.28

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Solution

The fourth proportional to 898,982.19, 1,240,633.13 and 517,009.28 is: 713,494.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,982.19 : 1,240,633.13 = 517,009.28 : x
  2. Step 2: Convert to fraction form
    898,982.19/1,240,633.13 = 517,009.28/x
  3. Step 3: Cross multiply
    898,982.19x = 1,240,633.13 × 517,009.28
  4. Step 4: Simplify right side
    898,982.19x = 641,418,836,374.80
  5. Step 5: Solve for x
    x = 641,418,836,374.80/898,982.19
  6. Step 6: Final answer
    x = 713,494.49

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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.