Home / 1,236,621.40-1,854,932.10-437,896.60

Finding the Fourth Proportional to 1,236,621.40, 1,854,932.10 and 437,896.60

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Solution

The fourth proportional to 1,236,621.40, 1,854,932.10 and 437,896.60 is: 656,844.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,621.40 : 1,854,932.10 = 437,896.60 : x
  2. Step 2: Convert to fraction form
    1,236,621.40/1,854,932.10 = 437,896.60/x
  3. Step 3: Cross multiply
    1,236,621.40x = 1,854,932.10 × 437,896.60
  4. Step 4: Simplify right side
    1,236,621.40x = 812,268,459,820.86
  5. Step 5: Solve for x
    x = 812,268,459,820.86/1,236,621.40
  6. Step 6: Final answer
    x = 656,844.90

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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.