Home / 427,309.60-589,677.19-236,318.89

Finding the Fourth Proportional to 427,309.60, 589,677.19 and 236,318.89

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Solution

The fourth proportional to 427,309.60, 589,677.19 and 236,318.89 is: 326,114.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,309.60 : 589,677.19 = 236,318.89 : x
  2. Step 2: Convert to fraction form
    427,309.60/589,677.19 = 236,318.89/x
  3. Step 3: Cross multiply
    427,309.60x = 589,677.19 × 236,318.89
  4. Step 4: Simplify right side
    427,309.60x = 139,351,858,999.12
  5. Step 5: Solve for x
    x = 139,351,858,999.12/427,309.60
  6. Step 6: Final answer
    x = 326,114.51

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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.