Home / 599,784.46-827,622.39-385,215.15

Finding the Fourth Proportional to 599,784.46, 827,622.39 and 385,215.15

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Solution

The fourth proportional to 599,784.46, 827,622.39 and 385,215.15 is: 531,545.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,784.46 : 827,622.39 = 385,215.15 : x
  2. Step 2: Convert to fraction form
    599,784.46/827,622.39 = 385,215.15/x
  3. Step 3: Cross multiply
    599,784.46x = 827,622.39 × 385,215.15
  4. Step 4: Simplify right side
    599,784.46x = 318,812,683,107.21
  5. Step 5: Solve for x
    x = 318,812,683,107.21/599,784.46
  6. Step 6: Final answer
    x = 531,545.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.