Home / 1,128,610.10-1,692,970.50-454,600.39

Finding the Fourth Proportional to 1,128,610.10, 1,692,970.50 and 454,600.39

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Solution

The fourth proportional to 1,128,610.10, 1,692,970.50 and 454,600.39 is: 681,922.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,610.10 : 1,692,970.50 = 454,600.39 : x
  2. Step 2: Convert to fraction form
    1,128,610.10/1,692,970.50 = 454,600.39/x
  3. Step 3: Cross multiply
    1,128,610.10x = 1,692,970.50 × 454,600.39
  4. Step 4: Simplify right side
    1,128,610.10x = 769,625,049,558.50
  5. Step 5: Solve for x
    x = 769,625,049,558.50/1,128,610.10
  6. Step 6: Final answer
    x = 681,922.88

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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.