Home / 945,816.05-1,305,257.62-516,119.76

Finding the Fourth Proportional to 945,816.05, 1,305,257.62 and 516,119.76

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Solution

The fourth proportional to 945,816.05, 1,305,257.62 and 516,119.76 is: 712,262.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,816.05 : 1,305,257.62 = 516,119.76 : x
  2. Step 2: Convert to fraction form
    945,816.05/1,305,257.62 = 516,119.76/x
  3. Step 3: Cross multiply
    945,816.05x = 1,305,257.62 × 516,119.76
  4. Step 4: Simplify right side
    945,816.05x = 673,669,249,572.57
  5. Step 5: Solve for x
    x = 673,669,249,572.57/945,816.05
  6. Step 6: Final answer
    x = 712,262.44

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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.