Home / 448,889.72-673,327.87-208,869.19

Finding the Fourth Proportional to 448,889.72, 673,327.87 and 208,869.19

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Solution

The fourth proportional to 448,889.72, 673,327.87 and 208,869.19 is: 313,300.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,889.72 : 673,327.87 = 208,869.19 : x
  2. Step 2: Convert to fraction form
    448,889.72/673,327.87 = 208,869.19/x
  3. Step 3: Cross multiply
    448,889.72x = 673,327.87 × 208,869.19
  4. Step 4: Simplify right side
    448,889.72x = 140,637,444,605.83
  5. Step 5: Solve for x
    x = 140,637,444,605.83/448,889.72
  6. Step 6: Final answer
    x = 313,300.66

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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.