Home / 972,310.80-1,457,591.40-635,512.80

Finding the Fourth Proportional to 972,310.80, 1,457,591.40 and 635,512.80

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Solution

The fourth proportional to 972,310.80, 1,457,591.40 and 635,512.80 is: 952,697.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,310.80 : 1,457,591.40 = 635,512.80 : x
  2. Step 2: Convert to fraction form
    972,310.80/1,457,591.40 = 635,512.80/x
  3. Step 3: Cross multiply
    972,310.80x = 1,457,591.40 × 635,512.80
  4. Step 4: Simplify right side
    972,310.80x = 926,317,991,869.92
  5. Step 5: Solve for x
    x = 926,317,991,869.92/972,310.80
  6. Step 6: Final answer
    x = 952,697.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.