Home / 448,717.10-673,403.70-298,907.60

Finding the Fourth Proportional to 448,717.10, 673,403.70 and 298,907.60

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Solution

The fourth proportional to 448,717.10, 673,403.70 and 298,907.60 is: 448,579.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,717.10 : 673,403.70 = 298,907.60 : x
  2. Step 2: Convert to fraction form
    448,717.10/673,403.70 = 298,907.60/x
  3. Step 3: Cross multiply
    448,717.10x = 673,403.70 × 298,907.60
  4. Step 4: Simplify right side
    448,717.10x = 201,285,483,798.12
  5. Step 5: Solve for x
    x = 201,285,483,798.12/448,717.10
  6. Step 6: Final answer
    x = 448,579.93

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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.