Home / 945,818.91-1,305,261.61-516,122.62

Finding the Fourth Proportional to 945,818.91, 1,305,261.61 and 516,122.62

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Solution

The fourth proportional to 945,818.91, 1,305,261.61 and 516,122.62 is: 712,266.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,818.91 : 1,305,261.61 = 516,122.62 : x
  2. Step 2: Convert to fraction form
    945,818.91/1,305,261.61 = 516,122.62/x
  3. Step 3: Cross multiply
    945,818.91x = 1,305,261.61 × 516,122.62
  4. Step 4: Simplify right side
    945,818.91x = 673,675,041,938.62
  5. Step 5: Solve for x
    x = 673,675,041,938.62/945,818.91
  6. Step 6: Final answer
    x = 712,266.41

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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.