Home / 269,408.68-403,501.28-208,951.84

Finding the Fourth Proportional to 269,408.68, 403,501.28 and 208,951.84

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Solution

The fourth proportional to 269,408.68, 403,501.28 and 208,951.84 is: 312,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,408.68 : 403,501.28 = 208,951.84 : x
  2. Step 2: Convert to fraction form
    269,408.68/403,501.28 = 208,951.84/x
  3. Step 3: Cross multiply
    269,408.68x = 403,501.28 × 208,951.84
  4. Step 4: Simplify right side
    269,408.68x = 84,312,334,898.36
  5. Step 5: Solve for x
    x = 84,312,334,898.36/269,408.68
  6. Step 6: Final answer
    x = 312,953.30

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1.5x scale

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.