Home / 1,112,379.66-1,535,162.58-628,949.52

Finding the Fourth Proportional to 1,112,379.66, 1,535,162.58 and 628,949.52

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Solution

The fourth proportional to 1,112,379.66, 1,535,162.58 and 628,949.52 is: 867,994.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,379.66 : 1,535,162.58 = 628,949.52 : x
  2. Step 2: Convert to fraction form
    1,112,379.66/1,535,162.58 = 628,949.52/x
  3. Step 3: Cross multiply
    1,112,379.66x = 1,535,162.58 × 628,949.52
  4. Step 4: Simplify right side
    1,112,379.66x = 965,539,767,812.96
  5. Step 5: Solve for x
    x = 965,539,767,812.96/1,112,379.66
  6. Step 6: Final answer
    x = 867,994.81

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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.