Home / 886,496.42-1,223,394.21-499,319.07

Finding the Fourth Proportional to 886,496.42, 1,223,394.21 and 499,319.07

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Solution

The fourth proportional to 886,496.42, 1,223,394.21 and 499,319.07 is: 689,076.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,496.42 : 1,223,394.21 = 499,319.07 : x
  2. Step 2: Convert to fraction form
    886,496.42/1,223,394.21 = 499,319.07/x
  3. Step 3: Cross multiply
    886,496.42x = 1,223,394.21 × 499,319.07
  4. Step 4: Simplify right side
    886,496.42x = 610,864,059,180.59
  5. Step 5: Solve for x
    x = 610,864,059,180.59/886,496.42
  6. Step 6: Final answer
    x = 689,076.74

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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.