Home / 1,166,213.88-1,609,325.43-649,940.30

Finding the Fourth Proportional to 1,166,213.88, 1,609,325.43 and 649,940.30

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Solution

The fourth proportional to 1,166,213.88, 1,609,325.43 and 649,940.30 is: 896,889.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,213.88 : 1,609,325.43 = 649,940.30 : x
  2. Step 2: Convert to fraction form
    1,166,213.88/1,609,325.43 = 649,940.30/x
  3. Step 3: Cross multiply
    1,166,213.88x = 1,609,325.43 × 649,940.30
  4. Step 4: Simplify right side
    1,166,213.88x = 1,045,965,452,771.83
  5. Step 5: Solve for x
    x = 1,045,965,452,771.83/1,166,213.88
  6. Step 6: Final answer
    x = 896,889.90

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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.