Home / 945,814.05-1,305,254.86-516,117.76

Finding the Fourth Proportional to 945,814.05, 1,305,254.86 and 516,117.76

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Solution

The fourth proportional to 945,814.05, 1,305,254.86 and 516,117.76 is: 712,259.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,814.05 : 1,305,254.86 = 516,117.76 : x
  2. Step 2: Convert to fraction form
    945,814.05/1,305,254.86 = 516,117.76/x
  3. Step 3: Cross multiply
    945,814.05x = 1,305,254.86 × 516,117.76
  4. Step 4: Simplify right side
    945,814.05x = 673,665,210,018.88
  5. Step 5: Solve for x
    x = 673,665,210,018.88/945,814.05
  6. Step 6: Final answer
    x = 712,259.68

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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.