Home / 328,895.37-493,343.07-79,577.37

Finding the Fourth Proportional to 328,895.37, 493,343.07 and 79,577.37

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Solution

The fourth proportional to 328,895.37, 493,343.07 and 79,577.37 is: 119,366.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,895.37 : 493,343.07 = 79,577.37 : x
  2. Step 2: Convert to fraction form
    328,895.37/493,343.07 = 79,577.37/x
  3. Step 3: Cross multiply
    328,895.37x = 493,343.07 × 79,577.37
  4. Step 4: Simplify right side
    328,895.37x = 39,258,945,913.11
  5. Step 5: Solve for x
    x = 39,258,945,913.11/328,895.37
  6. Step 6: Final answer
    x = 119,366.06

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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.