Home / 1,201,099.10-1,657,467.27-717,930.65

Finding the Fourth Proportional to 1,201,099.10, 1,657,467.27 and 717,930.65

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Solution

The fourth proportional to 1,201,099.10, 1,657,467.27 and 717,930.65 is: 990,714.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,099.10 : 1,657,467.27 = 717,930.65 : x
  2. Step 2: Convert to fraction form
    1,201,099.10/1,657,467.27 = 717,930.65/x
  3. Step 3: Cross multiply
    1,201,099.10x = 1,657,467.27 × 717,930.65
  4. Step 4: Simplify right side
    1,201,099.10x = 1,189,946,546,217.49
  5. Step 5: Solve for x
    x = 1,189,946,546,217.49/1,201,099.10
  6. Step 6: Final answer
    x = 990,714.71

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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.