Home / 883,735.23-1,219,693.10-521,198.94

Finding the Fourth Proportional to 883,735.23, 1,219,693.10 and 521,198.94

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Solution

The fourth proportional to 883,735.23, 1,219,693.10 and 521,198.94 is: 719,336.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,735.23 : 1,219,693.10 = 521,198.94 : x
  2. Step 2: Convert to fraction form
    883,735.23/1,219,693.10 = 521,198.94/x
  3. Step 3: Cross multiply
    883,735.23x = 1,219,693.10 × 521,198.94
  4. Step 4: Simplify right side
    883,735.23x = 635,702,746,049.85
  5. Step 5: Solve for x
    x = 635,702,746,049.85/883,735.23
  6. Step 6: Final answer
    x = 719,336.21

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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.