Home / 945,885.52-1,305,349.59-516,193.32

Finding the Fourth Proportional to 945,885.52, 1,305,349.59 and 516,193.32

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Solution

The fourth proportional to 945,885.52, 1,305,349.59 and 516,193.32 is: 712,361.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,885.52 : 1,305,349.59 = 516,193.32 : x
  2. Step 2: Convert to fraction form
    945,885.52/1,305,349.59 = 516,193.32/x
  3. Step 3: Cross multiply
    945,885.52x = 1,305,349.59 × 516,193.32
  4. Step 4: Simplify right side
    945,885.52x = 673,812,738,622.74
  5. Step 5: Solve for x
    x = 673,812,738,622.74/945,885.52
  6. Step 6: Final answer
    x = 712,361.83

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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.