Home / 442,895.81-664,021.87-176,576.45

Finding the Fourth Proportional to 442,895.81, 664,021.87 and 176,576.45

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Solution

The fourth proportional to 442,895.81, 664,021.87 and 176,576.45 is: 264,736.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,895.81 : 664,021.87 = 176,576.45 : x
  2. Step 2: Convert to fraction form
    442,895.81/664,021.87 = 176,576.45/x
  3. Step 3: Cross multiply
    442,895.81x = 664,021.87 × 176,576.45
  4. Step 4: Simplify right side
    442,895.81x = 117,250,620,765.41
  5. Step 5: Solve for x
    x = 117,250,620,765.41/442,895.81
  6. Step 6: Final answer
    x = 264,736.35

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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.