Home / 1,166,097.67-1,609,143.98-642,785.36

Finding the Fourth Proportional to 1,166,097.67, 1,609,143.98 and 642,785.36

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Solution

The fourth proportional to 1,166,097.67, 1,609,143.98 and 642,785.36 is: 887,004.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,097.67 : 1,609,143.98 = 642,785.36 : x
  2. Step 2: Convert to fraction form
    1,166,097.67/1,609,143.98 = 642,785.36/x
  3. Step 3: Cross multiply
    1,166,097.67x = 1,609,143.98 × 642,785.36
  4. Step 4: Simplify right side
    1,166,097.67x = 1,034,334,200,217.14
  5. Step 5: Solve for x
    x = 1,034,334,200,217.14/1,166,097.67
  6. Step 6: Final answer
    x = 887,004.78

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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.