Home / 436,384.57-654,570.27-196,328.94

Finding the Fourth Proportional to 436,384.57, 654,570.27 and 196,328.94

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Solution

The fourth proportional to 436,384.57, 654,570.27 and 196,328.94 is: 294,490.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,384.57 : 654,570.27 = 196,328.94 : x
  2. Step 2: Convert to fraction form
    436,384.57/654,570.27 = 196,328.94/x
  3. Step 3: Cross multiply
    436,384.57x = 654,570.27 × 196,328.94
  4. Step 4: Simplify right side
    436,384.57x = 128,511,083,991.76
  5. Step 5: Solve for x
    x = 128,511,083,991.76/436,384.57
  6. Step 6: Final answer
    x = 294,490.44

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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.