Home / 1,397,523.52-1,928,388-785,589.76

Finding the Fourth Proportional to 1,397,523.52, 1,928,388 and 785,589.76

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Solution

The fourth proportional to 1,397,523.52, 1,928,388 and 785,589.76 is: 1,084,004.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,523.52 : 1,928,388 = 785,589.76 : x
  2. Step 2: Convert to fraction form
    1,397,523.52/1,928,388 = 785,589.76/x
  3. Step 3: Cross multiply
    1,397,523.52x = 1,928,388 × 785,589.76
  4. Step 4: Simplify right side
    1,397,523.52x = 1,514,921,866,106.88
  5. Step 5: Solve for x
    x = 1,514,921,866,106.88/1,397,523.52
  6. Step 6: Final answer
    x = 1,084,004.56

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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.