Home / 722,310.87-996,309.04-464,513.75

Finding the Fourth Proportional to 722,310.87, 996,309.04 and 464,513.75

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Solution

The fourth proportional to 722,310.87, 996,309.04 and 464,513.75 is: 640,720.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,310.87 : 996,309.04 = 464,513.75 : x
  2. Step 2: Convert to fraction form
    722,310.87/996,309.04 = 464,513.75/x
  3. Step 3: Cross multiply
    722,310.87x = 996,309.04 × 464,513.75
  4. Step 4: Simplify right side
    722,310.87x = 462,799,241,025.19
  5. Step 5: Solve for x
    x = 462,799,241,025.19/722,310.87
  6. Step 6: Final answer
    x = 640,720.31

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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.