Home / 340,945.24-470,706.03-303,114.80

Finding the Fourth Proportional to 340,945.24, 470,706.03 and 303,114.80

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Solution

The fourth proportional to 340,945.24, 470,706.03 and 303,114.80 is: 418,477.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,945.24 : 470,706.03 = 303,114.80 : x
  2. Step 2: Convert to fraction form
    340,945.24/470,706.03 = 303,114.80/x
  3. Step 3: Cross multiply
    340,945.24x = 470,706.03 × 303,114.80
  4. Step 4: Simplify right side
    340,945.24x = 142,677,961,818.78
  5. Step 5: Solve for x
    x = 142,677,961,818.78/340,945.24
  6. Step 6: Final answer
    x = 418,477.65

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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.