Home / 626,453.41-864,356.22-381,435.29

Finding the Fourth Proportional to 626,453.41, 864,356.22 and 381,435.29

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Solution

The fourth proportional to 626,453.41, 864,356.22 and 381,435.29 is: 526,289.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,453.41 : 864,356.22 = 381,435.29 : x
  2. Step 2: Convert to fraction form
    626,453.41/864,356.22 = 381,435.29/x
  3. Step 3: Cross multiply
    626,453.41x = 864,356.22 × 381,435.29
  4. Step 4: Simplify right side
    626,453.41x = 329,695,965,439.00
  5. Step 5: Solve for x
    x = 329,695,965,439.00/626,453.41
  6. Step 6: Final answer
    x = 526,289.69

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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.