Home / 945,882.90-1,305,346.14-516,190.77

Finding the Fourth Proportional to 945,882.90, 1,305,346.14 and 516,190.77

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Solution

The fourth proportional to 945,882.90, 1,305,346.14 and 516,190.77 is: 712,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,882.90 : 1,305,346.14 = 516,190.77 : x
  2. Step 2: Convert to fraction form
    945,882.90/1,305,346.14 = 516,190.77/x
  3. Step 3: Cross multiply
    945,882.90x = 1,305,346.14 × 516,190.77
  4. Step 4: Simplify right side
    945,882.90x = 673,807,629,123.13
  5. Step 5: Solve for x
    x = 673,807,629,123.13/945,882.90
  6. Step 6: Final answer
    x = 712,358.40

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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.