Home / 1,112,816.49-1,669,347.45-354,481.53

Finding the Fourth Proportional to 1,112,816.49, 1,669,347.45 and 354,481.53

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Solution

The fourth proportional to 1,112,816.49, 1,669,347.45 and 354,481.53 is: 531,761.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,816.49 : 1,669,347.45 = 354,481.53 : x
  2. Step 2: Convert to fraction form
    1,112,816.49/1,669,347.45 = 354,481.53/x
  3. Step 3: Cross multiply
    1,112,816.49x = 1,669,347.45 × 354,481.53
  4. Step 4: Simplify right side
    1,112,816.49x = 591,752,838,177.60
  5. Step 5: Solve for x
    x = 591,752,838,177.60/1,112,816.49
  6. Step 6: Final answer
    x = 531,761.39

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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.