Home / 789,123.51-1,181,972.39-484,593.50

Finding the Fourth Proportional to 789,123.51, 1,181,972.39 and 484,593.50

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Solution

The fourth proportional to 789,123.51, 1,181,972.39 and 484,593.50 is: 725,838.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,123.51 : 1,181,972.39 = 484,593.50 : x
  2. Step 2: Convert to fraction form
    789,123.51/1,181,972.39 = 484,593.50/x
  3. Step 3: Cross multiply
    789,123.51x = 1,181,972.39 × 484,593.50
  4. Step 4: Simplify right side
    789,123.51x = 572,776,131,463.60
  5. Step 5: Solve for x
    x = 572,776,131,463.60/789,123.51
  6. Step 6: Final answer
    x = 725,838.39

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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.