Home / 1,072,961.93-1,609,193.22-399,360.47

Finding the Fourth Proportional to 1,072,961.93, 1,609,193.22 and 399,360.47

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Solution

The fourth proportional to 1,072,961.93, 1,609,193.22 and 399,360.47 is: 598,947.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,961.93 : 1,609,193.22 = 399,360.47 : x
  2. Step 2: Convert to fraction form
    1,072,961.93/1,609,193.22 = 399,360.47/x
  3. Step 3: Cross multiply
    1,072,961.93x = 1,609,193.22 × 399,360.47
  4. Step 4: Simplify right side
    1,072,961.93x = 642,648,150,617.25
  5. Step 5: Solve for x
    x = 642,648,150,617.25/1,072,961.93
  6. Step 6: Final answer
    x = 598,947.76

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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.