Home / 893,065.20-1,339,816.44-443,997.60

Finding the Fourth Proportional to 893,065.20, 1,339,816.44 and 443,997.60

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Solution

The fourth proportional to 893,065.20, 1,339,816.44 and 443,997.60 is: 666,105.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,065.20 : 1,339,816.44 = 443,997.60 : x
  2. Step 2: Convert to fraction form
    893,065.20/1,339,816.44 = 443,997.60/x
  3. Step 3: Cross multiply
    893,065.20x = 1,339,816.44 × 443,997.60
  4. Step 4: Simplify right side
    893,065.20x = 594,875,283,800.54
  5. Step 5: Solve for x
    x = 594,875,283,800.54/893,065.20
  6. Step 6: Final answer
    x = 666,105.10

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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.