Home / 685,032.85-945,330.39-374,933.94

Finding the Fourth Proportional to 685,032.85, 945,330.39 and 374,933.94

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Solution

The fourth proportional to 685,032.85, 945,330.39 and 374,933.94 is: 517,400.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,032.85 : 945,330.39 = 374,933.94 : x
  2. Step 2: Convert to fraction form
    685,032.85/945,330.39 = 374,933.94/x
  3. Step 3: Cross multiply
    685,032.85x = 945,330.39 × 374,933.94
  4. Step 4: Simplify right side
    685,032.85x = 354,436,447,724.44
  5. Step 5: Solve for x
    x = 354,436,447,724.44/685,032.85
  6. Step 6: Final answer
    x = 517,400.66

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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.