Home / 436,384.56-654,570.27-196,328.94

Finding the Fourth Proportional to 436,384.56, 654,570.27 and 196,328.94

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Solution

The fourth proportional to 436,384.56, 654,570.27 and 196,328.94 is: 294,490.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,384.56 : 654,570.27 = 196,328.94 : x
  2. Step 2: Convert to fraction form
    436,384.56/654,570.27 = 196,328.94/x
  3. Step 3: Cross multiply
    436,384.56x = 654,570.27 × 196,328.94
  4. Step 4: Simplify right side
    436,384.56x = 128,511,087,264.61
  5. Step 5: Solve for x
    x = 128,511,087,264.61/436,384.56
  6. Step 6: Final answer
    x = 294,490.45

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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.