Home / 341,431.10-512,146.65-323,935.10

Finding the Fourth Proportional to 341,431.10, 512,146.65 and 323,935.10

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Solution

The fourth proportional to 341,431.10, 512,146.65 and 323,935.10 is: 485,902.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,431.10 : 512,146.65 = 323,935.10 : x
  2. Step 2: Convert to fraction form
    341,431.10/512,146.65 = 323,935.10/x
  3. Step 3: Cross multiply
    341,431.10x = 512,146.65 × 323,935.10
  4. Step 4: Simplify right side
    341,431.10x = 165,902,276,282.42
  5. Step 5: Solve for x
    x = 165,902,276,282.42/341,431.10
  6. Step 6: Final answer
    x = 485,902.65

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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.