Home / 986,749.71-1,361,714.72-534,040.71

Finding the Fourth Proportional to 986,749.71, 1,361,714.72 and 534,040.71

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Solution

The fourth proportional to 986,749.71, 1,361,714.72 and 534,040.71 is: 736,976.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,749.71 : 1,361,714.72 = 534,040.71 : x
  2. Step 2: Convert to fraction form
    986,749.71/1,361,714.72 = 534,040.71/x
  3. Step 3: Cross multiply
    986,749.71x = 1,361,714.72 × 534,040.71
  4. Step 4: Simplify right side
    986,749.71x = 727,211,093,216.05
  5. Step 5: Solve for x
    x = 727,211,093,216.05/986,749.71
  6. Step 6: Final answer
    x = 736,976.24

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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.