Home / 1,112,410.38-1,535,083.73-628,985.64

Finding the Fourth Proportional to 1,112,410.38, 1,535,083.73 and 628,985.64

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Solution

The fourth proportional to 1,112,410.38, 1,535,083.73 and 628,985.64 is: 867,976.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,410.38 : 1,535,083.73 = 628,985.64 : x
  2. Step 2: Convert to fraction form
    1,112,410.38/1,535,083.73 = 628,985.64/x
  3. Step 3: Cross multiply
    1,112,410.38x = 1,535,083.73 × 628,985.64
  4. Step 4: Simplify right side
    1,112,410.38x = 965,545,619,222.71
  5. Step 5: Solve for x
    x = 965,545,619,222.71/1,112,410.38
  6. Step 6: Final answer
    x = 867,976.10

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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.