Home / 1,205,879.40-1,807,263.90-923,999.40

Finding the Fourth Proportional to 1,205,879.40, 1,807,263.90 and 923,999.40

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Solution

The fourth proportional to 1,205,879.40, 1,807,263.90 and 923,999.40 is: 1,384,807.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,879.40 : 1,807,263.90 = 923,999.40 : x
  2. Step 2: Convert to fraction form
    1,205,879.40/1,807,263.90 = 923,999.40/x
  3. Step 3: Cross multiply
    1,205,879.40x = 1,807,263.90 × 923,999.40
  4. Step 4: Simplify right side
    1,205,879.40x = 1,669,910,759,241.66
  5. Step 5: Solve for x
    x = 1,669,910,759,241.66/1,205,879.40
  6. Step 6: Final answer
    x = 1,384,807.44

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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.