Home / 455,905.41-629,151.44-249,177.97

Finding the Fourth Proportional to 455,905.41, 629,151.44 and 249,177.97

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Solution

The fourth proportional to 455,905.41, 629,151.44 and 249,177.97 is: 343,866.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,905.41 : 629,151.44 = 249,177.97 : x
  2. Step 2: Convert to fraction form
    455,905.41/629,151.44 = 249,177.97/x
  3. Step 3: Cross multiply
    455,905.41x = 629,151.44 × 249,177.97
  4. Step 4: Simplify right side
    455,905.41x = 156,770,675,823.01
  5. Step 5: Solve for x
    x = 156,770,675,823.01/455,905.41
  6. Step 6: Final answer
    x = 343,866.67

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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.