Home / 1,485,936.60-2,227,349.40-621,866.61

Finding the Fourth Proportional to 1,485,936.60, 2,227,349.40 and 621,866.61

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Solution

The fourth proportional to 1,485,936.60, 2,227,349.40 and 621,866.61 is: 932,148.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,936.60 : 2,227,349.40 = 621,866.61 : x
  2. Step 2: Convert to fraction form
    1,485,936.60/2,227,349.40 = 621,866.61/x
  3. Step 3: Cross multiply
    1,485,936.60x = 2,227,349.40 × 621,866.61
  4. Step 4: Simplify right side
    1,485,936.60x = 1,385,114,220,663.53
  5. Step 5: Solve for x
    x = 1,385,114,220,663.53/1,485,936.60
  6. Step 6: Final answer
    x = 932,148.94

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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.