Home / 997,763.78-1,376,915.30-568,043.90

Finding the Fourth Proportional to 997,763.78, 1,376,915.30 and 568,043.90

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Solution

The fourth proportional to 997,763.78, 1,376,915.30 and 568,043.90 is: 783,901.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,763.78 : 1,376,915.30 = 568,043.90 : x
  2. Step 2: Convert to fraction form
    997,763.78/1,376,915.30 = 568,043.90/x
  3. Step 3: Cross multiply
    997,763.78x = 1,376,915.30 × 568,043.90
  4. Step 4: Simplify right side
    997,763.78x = 782,148,333,873.14
  5. Step 5: Solve for x
    x = 782,148,333,873.14/997,763.78
  6. Step 6: Final answer
    x = 783,901.31

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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.