Home / 603,435.12-905,269.32-204,140.76

Finding the Fourth Proportional to 603,435.12, 905,269.32 and 204,140.76

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Solution

The fourth proportional to 603,435.12, 905,269.32 and 204,140.76 is: 306,250.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,435.12 : 905,269.32 = 204,140.76 : x
  2. Step 2: Convert to fraction form
    603,435.12/905,269.32 = 204,140.76/x
  3. Step 3: Cross multiply
    603,435.12x = 905,269.32 × 204,140.76
  4. Step 4: Simplify right side
    603,435.12x = 184,802,366,989.48
  5. Step 5: Solve for x
    x = 184,802,366,989.48/603,435.12
  6. Step 6: Final answer
    x = 306,250.60

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1.5x scale

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.