Home / 808,941-1,116,742.73-503,115.96

Finding the Fourth Proportional to 808,941, 1,116,742.73 and 503,115.96

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Solution

The fourth proportional to 808,941, 1,116,742.73 and 503,115.96 is: 694,551.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,941 : 1,116,742.73 = 503,115.96 : x
  2. Step 2: Convert to fraction form
    808,941/1,116,742.73 = 503,115.96/x
  3. Step 3: Cross multiply
    808,941x = 1,116,742.73 × 503,115.96
  4. Step 4: Simplify right side
    808,941x = 561,851,090,676.97
  5. Step 5: Solve for x
    x = 561,851,090,676.97/808,941
  6. Step 6: Final answer
    x = 694,551.38

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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.