Home / 945,870.20-1,305,290.13-516,157.64

Finding the Fourth Proportional to 945,870.20, 1,305,290.13 and 516,157.64

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Solution

The fourth proportional to 945,870.20, 1,305,290.13 and 516,157.64 is: 712,291.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,870.20 : 1,305,290.13 = 516,157.64 : x
  2. Step 2: Convert to fraction form
    945,870.20/1,305,290.13 = 516,157.64/x
  3. Step 3: Cross multiply
    945,870.20x = 1,305,290.13 × 516,157.64
  4. Step 4: Simplify right side
    945,870.20x = 673,735,473,016.09
  5. Step 5: Solve for x
    x = 673,735,473,016.09/945,870.20
  6. Step 6: Final answer
    x = 712,291.68

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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.