Home / 968,821.35-1,453,379.64-495,346.78

Finding the Fourth Proportional to 968,821.35, 1,453,379.64 and 495,346.78

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Solution

The fourth proportional to 968,821.35, 1,453,379.64 and 495,346.78 is: 743,095.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,821.35 : 1,453,379.64 = 495,346.78 : x
  2. Step 2: Convert to fraction form
    968,821.35/1,453,379.64 = 495,346.78/x
  3. Step 3: Cross multiply
    968,821.35x = 1,453,379.64 × 495,346.78
  4. Step 4: Simplify right side
    968,821.35x = 719,926,924,791.56
  5. Step 5: Solve for x
    x = 719,926,924,791.56/968,821.35
  6. Step 6: Final answer
    x = 743,095.64

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1.5x scale

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.