Home / 603,411.12-905,233.32-204,116.76

Finding the Fourth Proportional to 603,411.12, 905,233.32 and 204,116.76

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Solution

The fourth proportional to 603,411.12, 905,233.32 and 204,116.76 is: 306,214.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,411.12 : 905,233.32 = 204,116.76 : x
  2. Step 2: Convert to fraction form
    603,411.12/905,233.32 = 204,116.76/x
  3. Step 3: Cross multiply
    603,411.12x = 905,233.32 × 204,116.76
  4. Step 4: Simplify right side
    603,411.12x = 184,773,292,322.44
  5. Step 5: Solve for x
    x = 184,773,292,322.44/603,411.12
  6. Step 6: Final answer
    x = 306,214.60

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Double scale
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Similar ratio
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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.