Home / 1,234,513.05-1,850,466.94-665,739.35

Finding the Fourth Proportional to 1,234,513.05, 1,850,466.94 and 665,739.35

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Solution

The fourth proportional to 1,234,513.05, 1,850,466.94 and 665,739.35 is: 997,906.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,513.05 : 1,850,466.94 = 665,739.35 : x
  2. Step 2: Convert to fraction form
    1,234,513.05/1,850,466.94 = 665,739.35/x
  3. Step 3: Cross multiply
    1,234,513.05x = 1,850,466.94 × 665,739.35
  4. Step 4: Simplify right side
    1,234,513.05x = 1,231,928,660,793.91
  5. Step 5: Solve for x
    x = 1,231,928,660,793.91/1,234,513.05
  6. Step 6: Final answer
    x = 997,906.55

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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.