Home / 896,213.55-1,236,759.06-488,318.77

Finding the Fourth Proportional to 896,213.55, 1,236,759.06 and 488,318.77

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Solution

The fourth proportional to 896,213.55, 1,236,759.06 and 488,318.77 is: 673,871.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,213.55 : 1,236,759.06 = 488,318.77 : x
  2. Step 2: Convert to fraction form
    896,213.55/1,236,759.06 = 488,318.77/x
  3. Step 3: Cross multiply
    896,213.55x = 1,236,759.06 × 488,318.77
  4. Step 4: Simplify right side
    896,213.55x = 603,932,659,873.66
  5. Step 5: Solve for x
    x = 603,932,659,873.66/896,213.55
  6. Step 6: Final answer
    x = 673,871.38

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Double scale
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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.