Home / 1,557,443.72-2,149,268.26-869,108.26

Finding the Fourth Proportional to 1,557,443.72, 2,149,268.26 and 869,108.26

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Solution

The fourth proportional to 1,557,443.72, 2,149,268.26 and 869,108.26 is: 1,199,367.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,443.72 : 2,149,268.26 = 869,108.26 : x
  2. Step 2: Convert to fraction form
    1,557,443.72/2,149,268.26 = 869,108.26/x
  3. Step 3: Cross multiply
    1,557,443.72x = 2,149,268.26 × 869,108.26
  4. Step 4: Simplify right side
    1,557,443.72x = 1,867,946,797,721.83
  5. Step 5: Solve for x
    x = 1,867,946,797,721.83/1,557,443.72
  6. Step 6: Final answer
    x = 1,199,367.13

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1.5x scale

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.