Home / 334,921.80-502,382.70-311,302.20

Finding the Fourth Proportional to 334,921.80, 502,382.70 and 311,302.20

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Solution

The fourth proportional to 334,921.80, 502,382.70 and 311,302.20 is: 466,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,921.80 : 502,382.70 = 311,302.20 : x
  2. Step 2: Convert to fraction form
    334,921.80/502,382.70 = 311,302.20/x
  3. Step 3: Cross multiply
    334,921.80x = 502,382.70 × 311,302.20
  4. Step 4: Simplify right side
    334,921.80x = 156,392,839,751.94
  5. Step 5: Solve for x
    x = 156,392,839,751.94/334,921.80
  6. Step 6: Final answer
    x = 466,953.30

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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.