Home / 1,328,110.10-1,981,806.70-1,184,971.40

Finding the Fourth Proportional to 1,328,110.10, 1,981,806.70 and 1,184,971.40

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Solution

The fourth proportional to 1,328,110.10, 1,981,806.70 and 1,184,971.40 is: 1,768,215.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,110.10 : 1,981,806.70 = 1,184,971.40 : x
  2. Step 2: Convert to fraction form
    1,328,110.10/1,981,806.70 = 1,184,971.40/x
  3. Step 3: Cross multiply
    1,328,110.10x = 1,981,806.70 × 1,184,971.40
  4. Step 4: Simplify right side
    1,328,110.10x = 2,348,384,259,828.38
  5. Step 5: Solve for x
    x = 2,348,384,259,828.38/1,328,110.10
  6. Step 6: Final answer
    x = 1,768,215.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.