Home / 1,055,207.64-1,455,539.58-861,896.28

Finding the Fourth Proportional to 1,055,207.64, 1,455,539.58 and 861,896.28

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Solution

The fourth proportional to 1,055,207.64, 1,455,539.58 and 861,896.28 is: 1,188,888.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,207.64 : 1,455,539.58 = 861,896.28 : x
  2. Step 2: Convert to fraction form
    1,055,207.64/1,455,539.58 = 861,896.28/x
  3. Step 3: Cross multiply
    1,055,207.64x = 1,455,539.58 × 861,896.28
  4. Step 4: Simplify right side
    1,055,207.64x = 1,254,524,149,394.76
  5. Step 5: Solve for x
    x = 1,254,524,149,394.76/1,055,207.64
  6. Step 6: Final answer
    x = 1,188,888.43

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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.