Home / 857,898.88-1,183,932-518,301.28

Finding the Fourth Proportional to 857,898.88, 1,183,932 and 518,301.28

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Solution

The fourth proportional to 857,898.88, 1,183,932 and 518,301.28 is: 715,274.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,898.88 : 1,183,932 = 518,301.28 : x
  2. Step 2: Convert to fraction form
    857,898.88/1,183,932 = 518,301.28/x
  3. Step 3: Cross multiply
    857,898.88x = 1,183,932 × 518,301.28
  4. Step 4: Simplify right side
    857,898.88x = 613,633,471,032.96
  5. Step 5: Solve for x
    x = 613,633,471,032.96/857,898.88
  6. Step 6: Final answer
    x = 715,274.82

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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.