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Finding the Fourth Proportional to 1,159,042.90, 1,738,564.35 and 733,890.10

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Solution

The fourth proportional to 1,159,042.90, 1,738,564.35 and 733,890.10 is: 1,100,835.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,042.90 : 1,738,564.35 = 733,890.10 : x
  2. Step 2: Convert to fraction form
    1,159,042.90/1,738,564.35 = 733,890.10/x
  3. Step 3: Cross multiply
    1,159,042.90x = 1,738,564.35 × 733,890.10
  4. Step 4: Simplify right side
    1,159,042.90x = 1,275,915,164,677.94
  5. Step 5: Solve for x
    x = 1,275,915,164,677.94/1,159,042.90
  6. Step 6: Final answer
    x = 1,100,835.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.