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Finding the Fourth Proportional to 1,294,974.27, 1,786,595.91 and 750,810.39

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Solution

The fourth proportional to 1,294,974.27, 1,786,595.91 and 750,810.39 is: 1,035,846.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,974.27 : 1,786,595.91 = 750,810.39 : x
  2. Step 2: Convert to fraction form
    1,294,974.27/1,786,595.91 = 750,810.39/x
  3. Step 3: Cross multiply
    1,294,974.27x = 1,786,595.91 × 750,810.39
  4. Step 4: Simplify right side
    1,294,974.27x = 1,341,394,771,959.50
  5. Step 5: Solve for x
    x = 1,341,394,771,959.50/1,294,974.27
  6. Step 6: Final answer
    x = 1,035,846.66

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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.