Home / 898,988.44-1,240,641.75-517,015.51

Finding the Fourth Proportional to 898,988.44, 1,240,641.75 and 517,015.51

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Solution

The fourth proportional to 898,988.44, 1,240,641.75 and 517,015.51 is: 713,503.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,988.44 : 1,240,641.75 = 517,015.51 : x
  2. Step 2: Convert to fraction form
    898,988.44/1,240,641.75 = 517,015.51/x
  3. Step 3: Cross multiply
    898,988.44x = 1,240,641.75 × 517,015.51
  4. Step 4: Simplify right side
    898,988.44x = 641,431,027,103.54
  5. Step 5: Solve for x
    x = 641,431,027,103.54/898,988.44
  6. Step 6: Final answer
    x = 713,503.09

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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.