Home / 894,819.20-1,234,903.64-512,870.64

Finding the Fourth Proportional to 894,819.20, 1,234,903.64 and 512,870.64

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Solution

The fourth proportional to 894,819.20, 1,234,903.64 and 512,870.64 is: 707,791.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,819.20 : 1,234,903.64 = 512,870.64 : x
  2. Step 2: Convert to fraction form
    894,819.20/1,234,903.64 = 512,870.64/x
  3. Step 3: Cross multiply
    894,819.20x = 1,234,903.64 × 512,870.64
  4. Step 4: Simplify right side
    894,819.20x = 633,345,820,185.13
  5. Step 5: Solve for x
    x = 633,345,820,185.13/894,819.20
  6. Step 6: Final answer
    x = 707,791.94

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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.