Home / 1,155,961.44-1,595,229.12-646,672.32

Finding the Fourth Proportional to 1,155,961.44, 1,595,229.12 and 646,672.32

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Solution

The fourth proportional to 1,155,961.44, 1,595,229.12 and 646,672.32 is: 892,409.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,961.44 : 1,595,229.12 = 646,672.32 : x
  2. Step 2: Convert to fraction form
    1,155,961.44/1,595,229.12 = 646,672.32/x
  3. Step 3: Cross multiply
    1,155,961.44x = 1,595,229.12 × 646,672.32
  4. Step 4: Simplify right side
    1,155,961.44x = 1,031,590,515,961.96
  5. Step 5: Solve for x
    x = 1,031,590,515,961.96/1,155,961.44
  6. Step 6: Final answer
    x = 892,409.11

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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.