Home / 606,478.41-837,209.22-391,723.20

Finding the Fourth Proportional to 606,478.41, 837,209.22 and 391,723.20

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Solution

The fourth proportional to 606,478.41, 837,209.22 and 391,723.20 is: 540,751.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,478.41 : 837,209.22 = 391,723.20 : x
  2. Step 2: Convert to fraction form
    606,478.41/837,209.22 = 391,723.20/x
  3. Step 3: Cross multiply
    606,478.41x = 837,209.22 × 391,723.20
  4. Step 4: Simplify right side
    606,478.41x = 327,954,274,727.90
  5. Step 5: Solve for x
    x = 327,954,274,727.90/606,478.41
  6. Step 6: Final answer
    x = 540,751.77

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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.