Home / 509,184.19-762,612.86-243,131.05

Finding the Fourth Proportional to 509,184.19, 762,612.86 and 243,131.05

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Solution

The fourth proportional to 509,184.19, 762,612.86 and 243,131.05 is: 364,141.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,184.19 : 762,612.86 = 243,131.05 : x
  2. Step 2: Convert to fraction form
    509,184.19/762,612.86 = 243,131.05/x
  3. Step 3: Cross multiply
    509,184.19x = 762,612.86 × 243,131.05
  4. Step 4: Simplify right side
    509,184.19x = 185,414,864,179.65
  5. Step 5: Solve for x
    x = 185,414,864,179.65/509,184.19
  6. Step 6: Final answer
    x = 364,141.05

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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.