Home / 661,584.96-912,965.89-375,130.56

Finding the Fourth Proportional to 661,584.96, 912,965.89 and 375,130.56

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Solution

The fourth proportional to 661,584.96, 912,965.89 and 375,130.56 is: 517,668.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,584.96 : 912,965.89 = 375,130.56 : x
  2. Step 2: Convert to fraction form
    661,584.96/912,965.89 = 375,130.56/x
  3. Step 3: Cross multiply
    661,584.96x = 912,965.89 × 375,130.56
  4. Step 4: Simplify right side
    661,584.96x = 342,481,405,576.60
  5. Step 5: Solve for x
    x = 342,481,405,576.60/661,584.96
  6. Step 6: Final answer
    x = 517,668.06

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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.