Home / 659,348.19-909,857.07-368,910.54

Finding the Fourth Proportional to 659,348.19, 909,857.07 and 368,910.54

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Solution

The fourth proportional to 659,348.19, 909,857.07 and 368,910.54 is: 509,072.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,348.19 : 909,857.07 = 368,910.54 : x
  2. Step 2: Convert to fraction form
    659,348.19/909,857.07 = 368,910.54/x
  3. Step 3: Cross multiply
    659,348.19x = 909,857.07 × 368,910.54
  4. Step 4: Simplify right side
    659,348.19x = 335,655,863,016.52
  5. Step 5: Solve for x
    x = 335,655,863,016.52/659,348.19
  6. Step 6: Final answer
    x = 509,072.24

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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.