Home / 1,112,324.56-1,535,086.56-628,894.40

Finding the Fourth Proportional to 1,112,324.56, 1,535,086.56 and 628,894.40

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Solution

The fourth proportional to 1,112,324.56, 1,535,086.56 and 628,894.40 is: 867,918.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,324.56 : 1,535,086.56 = 628,894.40 : x
  2. Step 2: Convert to fraction form
    1,112,324.56/1,535,086.56 = 628,894.40/x
  3. Step 3: Cross multiply
    1,112,324.56x = 1,535,086.56 × 628,894.40
  4. Step 4: Simplify right side
    1,112,324.56x = 965,407,341,099.26
  5. Step 5: Solve for x
    x = 965,407,341,099.26/1,112,324.56
  6. Step 6: Final answer
    x = 867,918.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.