Home / 448,715.10-673,400.70-298,905.60

Finding the Fourth Proportional to 448,715.10, 673,400.70 and 298,905.60

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Solution

The fourth proportional to 448,715.10, 673,400.70 and 298,905.60 is: 448,576.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,715.10 : 673,400.70 = 298,905.60 : x
  2. Step 2: Convert to fraction form
    448,715.10/673,400.70 = 298,905.60/x
  3. Step 3: Cross multiply
    448,715.10x = 673,400.70 × 298,905.60
  4. Step 4: Simplify right side
    448,715.10x = 201,283,240,273.92
  5. Step 5: Solve for x
    x = 201,283,240,273.92/448,715.10
  6. Step 6: Final answer
    x = 448,576.93

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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.