Home / 945,905.49-1,305,377.10-516,213.32

Finding the Fourth Proportional to 945,905.49, 1,305,377.10 and 516,213.32

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Solution

The fourth proportional to 945,905.49, 1,305,377.10 and 516,213.32 is: 712,389.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,905.49 : 1,305,377.10 = 516,213.32 : x
  2. Step 2: Convert to fraction form
    945,905.49/1,305,377.10 = 516,213.32/x
  3. Step 3: Cross multiply
    945,905.49x = 1,305,377.10 × 516,213.32
  4. Step 4: Simplify right side
    945,905.49x = 673,853,040,116.09
  5. Step 5: Solve for x
    x = 673,853,040,116.09/945,905.49
  6. Step 6: Final answer
    x = 712,389.40

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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.