Home / 1,328,114.10-1,981,812.66-1,184,975.40

Finding the Fourth Proportional to 1,328,114.10, 1,981,812.66 and 1,184,975.40

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Solution

The fourth proportional to 1,328,114.10, 1,981,812.66 and 1,184,975.40 is: 1,768,221.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,114.10 : 1,981,812.66 = 1,184,975.40 : x
  2. Step 2: Convert to fraction form
    1,328,114.10/1,981,812.66 = 1,184,975.40/x
  3. Step 3: Cross multiply
    1,328,114.10x = 1,981,812.66 × 1,184,975.40
  4. Step 4: Simplify right side
    1,328,114.10x = 2,348,399,249,508.56
  5. Step 5: Solve for x
    x = 2,348,399,249,508.56/1,328,114.10
  6. Step 6: Final answer
    x = 1,768,221.01

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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.