Home / 470,839.33-649,771.01-255,994.21

Finding the Fourth Proportional to 470,839.33, 649,771.01 and 255,994.21

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Solution

The fourth proportional to 470,839.33, 649,771.01 and 255,994.21 is: 353,278.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,839.33 : 649,771.01 = 255,994.21 : x
  2. Step 2: Convert to fraction form
    470,839.33/649,771.01 = 255,994.21/x
  3. Step 3: Cross multiply
    470,839.33x = 649,771.01 × 255,994.21
  4. Step 4: Simplify right side
    470,839.33x = 166,337,616,385.85
  5. Step 5: Solve for x
    x = 166,337,616,385.85/470,839.33
  6. Step 6: Final answer
    x = 353,278.93

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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.