Home / 730,473.21-1,008,033.68-408,185.96

Finding the Fourth Proportional to 730,473.21, 1,008,033.68 and 408,185.96

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Solution

The fourth proportional to 730,473.21, 1,008,033.68 and 408,185.96 is: 563,285.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,473.21 : 1,008,033.68 = 408,185.96 : x
  2. Step 2: Convert to fraction form
    730,473.21/1,008,033.68 = 408,185.96/x
  3. Step 3: Cross multiply
    730,473.21x = 1,008,033.68 × 408,185.96
  4. Step 4: Simplify right side
    730,473.21x = 411,465,191,842.58
  5. Step 5: Solve for x
    x = 411,465,191,842.58/730,473.21
  6. Step 6: Final answer
    x = 563,285.81

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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.