Home / 454,429.65-627,039.16-263,405.73

Finding the Fourth Proportional to 454,429.65, 627,039.16 and 263,405.73

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Solution

The fourth proportional to 454,429.65, 627,039.16 and 263,405.73 is: 363,457.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,429.65 : 627,039.16 = 263,405.73 : x
  2. Step 2: Convert to fraction form
    454,429.65/627,039.16 = 263,405.73/x
  3. Step 3: Cross multiply
    454,429.65x = 627,039.16 × 263,405.73
  4. Step 4: Simplify right side
    454,429.65x = 165,165,707,678.39
  5. Step 5: Solve for x
    x = 165,165,707,678.39/454,429.65
  6. Step 6: Final answer
    x = 363,457.15

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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.