Home / 603,897.23-833,388.54-331,976.60

Finding the Fourth Proportional to 603,897.23, 833,388.54 and 331,976.60

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Solution

The fourth proportional to 603,897.23, 833,388.54 and 331,976.60 is: 458,133.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,897.23 : 833,388.54 = 331,976.60 : x
  2. Step 2: Convert to fraction form
    603,897.23/833,388.54 = 331,976.60/x
  3. Step 3: Cross multiply
    603,897.23x = 833,388.54 × 331,976.60
  4. Step 4: Simplify right side
    603,897.23x = 276,665,493,988.16
  5. Step 5: Solve for x
    x = 276,665,493,988.16/603,897.23
  6. Step 6: Final answer
    x = 458,133.40

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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.