Home / 1,028,127.10-1,418,972.10-641,005.32

Finding the Fourth Proportional to 1,028,127.10, 1,418,972.10 and 641,005.32

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Solution

The fourth proportional to 1,028,127.10, 1,418,972.10 and 641,005.32 is: 884,685.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,127.10 : 1,418,972.10 = 641,005.32 : x
  2. Step 2: Convert to fraction form
    1,028,127.10/1,418,972.10 = 641,005.32/x
  3. Step 3: Cross multiply
    1,028,127.10x = 1,418,972.10 × 641,005.32
  4. Step 4: Simplify right side
    1,028,127.10x = 909,568,665,031.57
  5. Step 5: Solve for x
    x = 909,568,665,031.57/1,028,127.10
  6. Step 6: Final answer
    x = 884,685.04

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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.