Home / 374,659.12-516,872.64-245,628.52

Finding the Fourth Proportional to 374,659.12, 516,872.64 and 245,628.52

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Solution

The fourth proportional to 374,659.12, 516,872.64 and 245,628.52 is: 338,864.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,659.12 : 516,872.64 = 245,628.52 : x
  2. Step 2: Convert to fraction form
    374,659.12/516,872.64 = 245,628.52/x
  3. Step 3: Cross multiply
    374,659.12x = 516,872.64 × 245,628.52
  4. Step 4: Simplify right side
    374,659.12x = 126,958,661,591.69
  5. Step 5: Solve for x
    x = 126,958,661,591.69/374,659.12
  6. Step 6: Final answer
    x = 338,864.46

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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.