Home / 817,558.20-1,226,337.30-783,003.60

Finding the Fourth Proportional to 817,558.20, 1,226,337.30 and 783,003.60

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Solution

The fourth proportional to 817,558.20, 1,226,337.30 and 783,003.60 is: 1,174,505.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,558.20 : 1,226,337.30 = 783,003.60 : x
  2. Step 2: Convert to fraction form
    817,558.20/1,226,337.30 = 783,003.60/x
  3. Step 3: Cross multiply
    817,558.20x = 1,226,337.30 × 783,003.60
  4. Step 4: Simplify right side
    817,558.20x = 960,226,520,714.28
  5. Step 5: Solve for x
    x = 960,226,520,714.28/817,558.20
  6. Step 6: Final answer
    x = 1,174,505.40

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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.