Home / 1,172,650.96-1,618,336.56-656,450.65

Finding the Fourth Proportional to 1,172,650.96, 1,618,336.56 and 656,450.65

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Solution

The fourth proportional to 1,172,650.96, 1,618,336.56 and 656,450.65 is: 905,945.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,650.96 : 1,618,336.56 = 656,450.65 : x
  2. Step 2: Convert to fraction form
    1,172,650.96/1,618,336.56 = 656,450.65/x
  3. Step 3: Cross multiply
    1,172,650.96x = 1,618,336.56 × 656,450.65
  4. Step 4: Simplify right side
    1,172,650.96x = 1,062,358,086,730.76
  5. Step 5: Solve for x
    x = 1,062,358,086,730.76/1,172,650.96
  6. Step 6: Final answer
    x = 905,945.69

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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.