Home / 1,328,112.60-1,981,810.43-1,184,973.90

Finding the Fourth Proportional to 1,328,112.60, 1,981,810.43 and 1,184,973.90

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Solution

The fourth proportional to 1,328,112.60, 1,981,810.43 and 1,184,973.90 is: 1,768,218.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,112.60 : 1,981,810.43 = 1,184,973.90 : x
  2. Step 2: Convert to fraction form
    1,328,112.60/1,981,810.43 = 1,184,973.90/x
  3. Step 3: Cross multiply
    1,328,112.60x = 1,981,810.43 × 1,184,973.90
  4. Step 4: Simplify right side
    1,328,112.60x = 2,348,393,628,372.91
  5. Step 5: Solve for x
    x = 2,348,393,628,372.91/1,328,112.60
  6. Step 6: Final answer
    x = 1,768,218.77

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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.