Home / 442,606.77-662,618.37-329,257.35

Finding the Fourth Proportional to 442,606.77, 662,618.37 and 329,257.35

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Solution

The fourth proportional to 442,606.77, 662,618.37 and 329,257.35 is: 492,925.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,606.77 : 662,618.37 = 329,257.35 : x
  2. Step 2: Convert to fraction form
    442,606.77/662,618.37 = 329,257.35/x
  3. Step 3: Cross multiply
    442,606.77x = 662,618.37 × 329,257.35
  4. Step 4: Simplify right side
    442,606.77x = 218,171,968,567.52
  5. Step 5: Solve for x
    x = 218,171,968,567.52/442,606.77
  6. Step 6: Final answer
    x = 492,925.06

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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.