Home / 945,803.66-1,305,198.14-516,090.96

Finding the Fourth Proportional to 945,803.66, 1,305,198.14 and 516,090.96

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Solution

The fourth proportional to 945,803.66, 1,305,198.14 and 516,090.96 is: 712,199.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,803.66 : 1,305,198.14 = 516,090.96 : x
  2. Step 2: Convert to fraction form
    945,803.66/1,305,198.14 = 516,090.96/x
  3. Step 3: Cross multiply
    945,803.66x = 1,305,198.14 × 516,090.96
  4. Step 4: Simplify right side
    945,803.66x = 673,600,958,482.36
  5. Step 5: Solve for x
    x = 673,600,958,482.36/945,803.66
  6. Step 6: Final answer
    x = 712,199.57

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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.