Home / 1,112,365.92-1,535,005.68-628,902.24

Finding the Fourth Proportional to 1,112,365.92, 1,535,005.68 and 628,902.24

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Solution

The fourth proportional to 1,112,365.92, 1,535,005.68 and 628,902.24 is: 867,851.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,365.92 : 1,535,005.68 = 628,902.24 : x
  2. Step 2: Convert to fraction form
    1,112,365.92/1,535,005.68 = 628,902.24/x
  3. Step 3: Cross multiply
    1,112,365.92x = 1,535,005.68 × 628,902.24
  4. Step 4: Simplify right side
    1,112,365.92x = 965,368,510,564.72
  5. Step 5: Solve for x
    x = 965,368,510,564.72/1,112,365.92
  6. Step 6: Final answer
    x = 867,851.57

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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.