Home / 507,949.40-762,215.70-192,632.60

Finding the Fourth Proportional to 507,949.40, 762,215.70 and 192,632.60

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Solution

The fourth proportional to 507,949.40, 762,215.70 and 192,632.60 is: 289,059.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,949.40 : 762,215.70 = 192,632.60 : x
  2. Step 2: Convert to fraction form
    507,949.40/762,215.70 = 192,632.60/x
  3. Step 3: Cross multiply
    507,949.40x = 762,215.70 × 192,632.60
  4. Step 4: Simplify right side
    507,949.40x = 146,827,592,051.82
  5. Step 5: Solve for x
    x = 146,827,592,051.82/507,949.40
  6. Step 6: Final answer
    x = 289,059.49

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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.