Home / 808,083.86-1,115,205.98-445,507.16

Finding the Fourth Proportional to 808,083.86, 1,115,205.98 and 445,507.16

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Solution

The fourth proportional to 808,083.86, 1,115,205.98 and 445,507.16 is: 614,827.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,083.86 : 1,115,205.98 = 445,507.16 : x
  2. Step 2: Convert to fraction form
    808,083.86/1,115,205.98 = 445,507.16/x
  3. Step 3: Cross multiply
    808,083.86x = 1,115,205.98 × 445,507.16
  4. Step 4: Simplify right side
    808,083.86x = 496,832,250,570.80
  5. Step 5: Solve for x
    x = 496,832,250,570.80/808,083.86
  6. Step 6: Final answer
    x = 614,827.59

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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.