Home / 414,239.98-571,297.08-285,384.10

Finding the Fourth Proportional to 414,239.98, 571,297.08 and 285,384.10

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Solution

The fourth proportional to 414,239.98, 571,297.08 and 285,384.10 is: 393,586.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,239.98 : 571,297.08 = 285,384.10 : x
  2. Step 2: Convert to fraction form
    414,239.98/571,297.08 = 285,384.10/x
  3. Step 3: Cross multiply
    414,239.98x = 571,297.08 × 285,384.10
  4. Step 4: Simplify right side
    414,239.98x = 163,039,103,008.43
  5. Step 5: Solve for x
    x = 163,039,103,008.43/414,239.98
  6. Step 6: Final answer
    x = 393,586.11

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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.