Home / 1,108,864-1,530,144.30-625,274.56

Finding the Fourth Proportional to 1,108,864, 1,530,144.30 and 625,274.56

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Solution

The fourth proportional to 1,108,864, 1,530,144.30 and 625,274.56 is: 862,829.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,864 : 1,530,144.30 = 625,274.56 : x
  2. Step 2: Convert to fraction form
    1,108,864/1,530,144.30 = 625,274.56/x
  3. Step 3: Cross multiply
    1,108,864x = 1,530,144.30 × 625,274.56
  4. Step 4: Simplify right side
    1,108,864x = 956,760,303,919.01
  5. Step 5: Solve for x
    x = 956,760,303,919.01/1,108,864
  6. Step 6: Final answer
    x = 862,829.26

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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.