Home / 782,618.80-1,098,815.60-782,618.80

Finding the Fourth Proportional to 782,618.80, 1,098,815.60 and 782,618.80

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Solution

The fourth proportional to 782,618.80, 1,098,815.60 and 782,618.80 is: 1,098,815.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,618.80 : 1,098,815.60 = 782,618.80 : x
  2. Step 2: Convert to fraction form
    782,618.80/1,098,815.60 = 782,618.80/x
  3. Step 3: Cross multiply
    782,618.80x = 1,098,815.60 × 782,618.80
  4. Step 4: Simplify right side
    782,618.80x = 859,953,746,293.28
  5. Step 5: Solve for x
    x = 859,953,746,293.28/782,618.80
  6. Step 6: Final answer
    x = 1,098,815.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.