Home / 620,194.66-928,935.67-439,733.06

Finding the Fourth Proportional to 620,194.66, 928,935.67 and 439,733.06

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Solution

The fourth proportional to 620,194.66, 928,935.67 and 439,733.06 is: 658,637.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,194.66 : 928,935.67 = 439,733.06 : x
  2. Step 2: Convert to fraction form
    620,194.66/928,935.67 = 439,733.06/x
  3. Step 3: Cross multiply
    620,194.66x = 928,935.67 × 439,733.06
  4. Step 4: Simplify right side
    620,194.66x = 408,483,724,712.25
  5. Step 5: Solve for x
    x = 408,483,724,712.25/620,194.66
  6. Step 6: Final answer
    x = 658,637.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.