Home / 831,554.50-1,147,476.48-469,067.46

Finding the Fourth Proportional to 831,554.50, 1,147,476.48 and 469,067.46

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Solution

The fourth proportional to 831,554.50, 1,147,476.48 and 469,067.46 is: 647,274.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,554.50 : 1,147,476.48 = 469,067.46 : x
  2. Step 2: Convert to fraction form
    831,554.50/1,147,476.48 = 469,067.46/x
  3. Step 3: Cross multiply
    831,554.50x = 1,147,476.48 × 469,067.46
  4. Step 4: Simplify right side
    831,554.50x = 538,243,877,883.34
  5. Step 5: Solve for x
    x = 538,243,877,883.34/831,554.50
  6. Step 6: Final answer
    x = 647,274.33

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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.