Home / 645,022.98-962,092.16-560,115.44

Finding the Fourth Proportional to 645,022.98, 962,092.16 and 560,115.44

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Solution

The fourth proportional to 645,022.98, 962,092.16 and 560,115.44 is: 835,447.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,022.98 : 962,092.16 = 560,115.44 : x
  2. Step 2: Convert to fraction form
    645,022.98/962,092.16 = 560,115.44/x
  3. Step 3: Cross multiply
    645,022.98x = 962,092.16 × 560,115.44
  4. Step 4: Simplify right side
    645,022.98x = 538,882,674,766.84
  5. Step 5: Solve for x
    x = 538,882,674,766.84/645,022.98
  6. Step 6: Final answer
    x = 835,447.25

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.