Home / 807,984.50-1,115,018.25-445,414.10

Finding the Fourth Proportional to 807,984.50, 1,115,018.25 and 445,414.10

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Solution

The fourth proportional to 807,984.50, 1,115,018.25 and 445,414.10 is: 614,671.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,984.50 : 1,115,018.25 = 445,414.10 : x
  2. Step 2: Convert to fraction form
    807,984.50/1,115,018.25 = 445,414.10/x
  3. Step 3: Cross multiply
    807,984.50x = 1,115,018.25 × 445,414.10
  4. Step 4: Simplify right side
    807,984.50x = 496,644,850,307.33
  5. Step 5: Solve for x
    x = 496,644,850,307.33/807,984.50
  6. Step 6: Final answer
    x = 614,671.26

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1.5x scale

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.