Home / 759,530.22-1,139,856.03-360,172.32

Finding the Fourth Proportional to 759,530.22, 1,139,856.03 and 360,172.32

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Solution

The fourth proportional to 759,530.22, 1,139,856.03 and 360,172.32 is: 540,524.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,530.22 : 1,139,856.03 = 360,172.32 : x
  2. Step 2: Convert to fraction form
    759,530.22/1,139,856.03 = 360,172.32/x
  3. Step 3: Cross multiply
    759,530.22x = 1,139,856.03 × 360,172.32
  4. Step 4: Simplify right side
    759,530.22x = 410,544,590,791.09
  5. Step 5: Solve for x
    x = 410,544,590,791.09/759,530.22
  6. Step 6: Final answer
    x = 540,524.37

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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.