Home / 603,913.32-833,400.09-331,998.75

Finding the Fourth Proportional to 603,913.32, 833,400.09 and 331,998.75

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Solution

The fourth proportional to 603,913.32, 833,400.09 and 331,998.75 is: 458,158.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,913.32 : 833,400.09 = 331,998.75 : x
  2. Step 2: Convert to fraction form
    603,913.32/833,400.09 = 331,998.75/x
  3. Step 3: Cross multiply
    603,913.32x = 833,400.09 × 331,998.75
  4. Step 4: Simplify right side
    603,913.32x = 276,687,788,129.89
  5. Step 5: Solve for x
    x = 276,687,788,129.89/603,913.32
  6. Step 6: Final answer
    x = 458,158.11

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Double scale
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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.