Home / 986,749.28-1,361,718-534,040.16

Finding the Fourth Proportional to 986,749.28, 1,361,718 and 534,040.16

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Solution

The fourth proportional to 986,749.28, 1,361,718 and 534,040.16 is: 736,977.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,749.28 : 1,361,718 = 534,040.16 : x
  2. Step 2: Convert to fraction form
    986,749.28/1,361,718 = 534,040.16/x
  3. Step 3: Cross multiply
    986,749.28x = 1,361,718 × 534,040.16
  4. Step 4: Simplify right side
    986,749.28x = 727,212,098,594.88
  5. Step 5: Solve for x
    x = 727,212,098,594.88/986,749.28
  6. Step 6: Final answer
    x = 736,977.58

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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.