Home / 621,745.69-858,040.56-367,091.41

Finding the Fourth Proportional to 621,745.69, 858,040.56 and 367,091.41

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Solution

The fourth proportional to 621,745.69, 858,040.56 and 367,091.41 is: 506,604.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,745.69 : 858,040.56 = 367,091.41 : x
  2. Step 2: Convert to fraction form
    621,745.69/858,040.56 = 367,091.41/x
  3. Step 3: Cross multiply
    621,745.69x = 858,040.56 × 367,091.41
  4. Step 4: Simplify right side
    621,745.69x = 314,979,319,007.59
  5. Step 5: Solve for x
    x = 314,979,319,007.59/621,745.69
  6. Step 6: Final answer
    x = 506,604.75

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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.