Home / 713,629.52-1,070,542.20-414,250.64

Finding the Fourth Proportional to 713,629.52, 1,070,542.20 and 414,250.64

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Solution

The fourth proportional to 713,629.52, 1,070,542.20 and 414,250.64 is: 621,432.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,629.52 : 1,070,542.20 = 414,250.64 : x
  2. Step 2: Convert to fraction form
    713,629.52/1,070,542.20 = 414,250.64/x
  3. Step 3: Cross multiply
    713,629.52x = 1,070,542.20 × 414,250.64
  4. Step 4: Simplify right side
    713,629.52x = 443,472,791,497.01
  5. Step 5: Solve for x
    x = 443,472,791,497.01/713,629.52
  6. Step 6: Final answer
    x = 621,432.80

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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.