Home / 894,495.89-1,234,382.09-512,498.07

Finding the Fourth Proportional to 894,495.89, 1,234,382.09 and 512,498.07

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Solution

The fourth proportional to 894,495.89, 1,234,382.09 and 512,498.07 is: 707,234.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,495.89 : 1,234,382.09 = 512,498.07 : x
  2. Step 2: Convert to fraction form
    894,495.89/1,234,382.09 = 512,498.07/x
  3. Step 3: Cross multiply
    894,495.89x = 1,234,382.09 × 512,498.07
  4. Step 4: Simplify right side
    894,495.89x = 632,618,436,205.08
  5. Step 5: Solve for x
    x = 632,618,436,205.08/894,495.89
  6. Step 6: Final answer
    x = 707,234.59

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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.