Home / 828,905.22-1,142,325.72-726,262.02

Finding the Fourth Proportional to 828,905.22, 1,142,325.72 and 726,262.02

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Solution

The fourth proportional to 828,905.22, 1,142,325.72 and 726,262.02 is: 1,000,871.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,905.22 : 1,142,325.72 = 726,262.02 : x
  2. Step 2: Convert to fraction form
    828,905.22/1,142,325.72 = 726,262.02/x
  3. Step 3: Cross multiply
    828,905.22x = 1,142,325.72 × 726,262.02
  4. Step 4: Simplify right side
    828,905.22x = 829,627,784,905.15
  5. Step 5: Solve for x
    x = 829,627,784,905.15/828,905.22
  6. Step 6: Final answer
    x = 1,000,871.71

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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.