Home / 330,528.03-453,158.11-324,549.32

Finding the Fourth Proportional to 330,528.03, 453,158.11 and 324,549.32

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Solution

The fourth proportional to 330,528.03, 453,158.11 and 324,549.32 is: 444,961.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,528.03 : 453,158.11 = 324,549.32 : x
  2. Step 2: Convert to fraction form
    330,528.03/453,158.11 = 324,549.32/x
  3. Step 3: Cross multiply
    330,528.03x = 453,158.11 × 324,549.32
  4. Step 4: Simplify right side
    330,528.03x = 147,072,154,592.88
  5. Step 5: Solve for x
    x = 147,072,154,592.88/330,528.03
  6. Step 6: Final answer
    x = 444,961.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.