Home / 896,131.36-1,234,960.56-641,040.16

Finding the Fourth Proportional to 896,131.36, 1,234,960.56 and 641,040.16

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Solution

The fourth proportional to 896,131.36, 1,234,960.56 and 641,040.16 is: 883,418.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,131.36 : 1,234,960.56 = 641,040.16 : x
  2. Step 2: Convert to fraction form
    896,131.36/1,234,960.56 = 641,040.16/x
  3. Step 3: Cross multiply
    896,131.36x = 1,234,960.56 × 641,040.16
  4. Step 4: Simplify right side
    896,131.36x = 791,659,314,976.09
  5. Step 5: Solve for x
    x = 791,659,314,976.09/896,131.36
  6. Step 6: Final answer
    x = 883,418.83

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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.