Home / 995,905.90-1,491,890.55-545,821.30

Finding the Fourth Proportional to 995,905.90, 1,491,890.55 and 545,821.30

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Solution

The fourth proportional to 995,905.90, 1,491,890.55 and 545,821.30 is: 817,653.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,905.90 : 1,491,890.55 = 545,821.30 : x
  2. Step 2: Convert to fraction form
    995,905.90/1,491,890.55 = 545,821.30/x
  3. Step 3: Cross multiply
    995,905.90x = 1,491,890.55 × 545,821.30
  4. Step 4: Simplify right side
    995,905.90x = 814,305,639,458.72
  5. Step 5: Solve for x
    x = 814,305,639,458.72/995,905.90
  6. Step 6: Final answer
    x = 817,653.19

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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.