Home / 930,877.43-1,396,288.25-256,999.85

Finding the Fourth Proportional to 930,877.43, 1,396,288.25 and 256,999.85

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Solution

The fourth proportional to 930,877.43, 1,396,288.25 and 256,999.85 is: 385,492.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,877.43 : 1,396,288.25 = 256,999.85 : x
  2. Step 2: Convert to fraction form
    930,877.43/1,396,288.25 = 256,999.85/x
  3. Step 3: Cross multiply
    930,877.43x = 1,396,288.25 × 256,999.85
  4. Step 4: Simplify right side
    930,877.43x = 358,845,870,806.76
  5. Step 5: Solve for x
    x = 358,845,870,806.76/930,877.43
  6. Step 6: Final answer
    x = 385,492.07

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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.