Home / 765,715.24-1,148,492.22-204,806.44

Finding the Fourth Proportional to 765,715.24, 1,148,492.22 and 204,806.44

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Solution

The fourth proportional to 765,715.24, 1,148,492.22 and 204,806.44 is: 307,188.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,715.24 : 1,148,492.22 = 204,806.44 : x
  2. Step 2: Convert to fraction form
    765,715.24/1,148,492.22 = 204,806.44/x
  3. Step 3: Cross multiply
    765,715.24x = 1,148,492.22 × 204,806.44
  4. Step 4: Simplify right side
    765,715.24x = 235,218,602,945.90
  5. Step 5: Solve for x
    x = 235,218,602,945.90/765,715.24
  6. Step 6: Final answer
    x = 307,188.09

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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.