Home / 945,803.71-1,305,240.65-516,107.44

Finding the Fourth Proportional to 945,803.71, 1,305,240.65 and 516,107.44

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Solution

The fourth proportional to 945,803.71, 1,305,240.65 and 516,107.44 is: 712,245.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,803.71 : 1,305,240.65 = 516,107.44 : x
  2. Step 2: Convert to fraction form
    945,803.71/1,305,240.65 = 516,107.44/x
  3. Step 3: Cross multiply
    945,803.71x = 1,305,240.65 × 516,107.44
  4. Step 4: Simplify right side
    945,803.71x = 673,644,410,455.44
  5. Step 5: Solve for x
    x = 673,644,410,455.44/945,803.71
  6. Step 6: Final answer
    x = 712,245.47

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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.