Home / 525,979.26-725,680.46-321,817.34

Finding the Fourth Proportional to 525,979.26, 725,680.46 and 321,817.34

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Solution

The fourth proportional to 525,979.26, 725,680.46 and 321,817.34 is: 444,003.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,979.26 : 725,680.46 = 321,817.34 : x
  2. Step 2: Convert to fraction form
    525,979.26/725,680.46 = 321,817.34/x
  3. Step 3: Cross multiply
    525,979.26x = 725,680.46 × 321,817.34
  4. Step 4: Simplify right side
    525,979.26x = 233,536,555,327.18
  5. Step 5: Solve for x
    x = 233,536,555,327.18/525,979.26
  6. Step 6: Final answer
    x = 444,003.35

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1.5x scale

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.