Home / 853,893.79-1,278,183.48-537,686.41

Finding the Fourth Proportional to 853,893.79, 1,278,183.48 and 537,686.41

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Solution

The fourth proportional to 853,893.79, 1,278,183.48 and 537,686.41 is: 804,856.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,893.79 : 1,278,183.48 = 537,686.41 : x
  2. Step 2: Convert to fraction form
    853,893.79/1,278,183.48 = 537,686.41/x
  3. Step 3: Cross multiply
    853,893.79x = 1,278,183.48 × 537,686.41
  4. Step 4: Simplify right side
    853,893.79x = 687,261,886,682.51
  5. Step 5: Solve for x
    x = 687,261,886,682.51/853,893.79
  6. Step 6: Final answer
    x = 804,856.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.