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Finding the Fourth Proportional to 1,294,281.82, 1,786,114.92 and 750,739.42

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Solution

The fourth proportional to 1,294,281.82, 1,786,114.92 and 750,739.42 is: 1,036,023.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,281.82 : 1,786,114.92 = 750,739.42 : x
  2. Step 2: Convert to fraction form
    1,294,281.82/1,786,114.92 = 750,739.42/x
  3. Step 3: Cross multiply
    1,294,281.82x = 1,786,114.92 × 750,739.42
  4. Step 4: Simplify right side
    1,294,281.82x = 1,340,906,879,094.15
  5. Step 5: Solve for x
    x = 1,340,906,879,094.15/1,294,281.82
  6. Step 6: Final answer
    x = 1,036,023.88

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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.