Home / 1,383,606.27-1,909,085.00-840,027.87

Finding the Fourth Proportional to 1,383,606.27, 1,909,085.00 and 840,027.87

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Solution

The fourth proportional to 1,383,606.27, 1,909,085.00 and 840,027.87 is: 1,159,061.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,606.27 : 1,909,085.00 = 840,027.87 : x
  2. Step 2: Convert to fraction form
    1,383,606.27/1,909,085.00 = 840,027.87/x
  3. Step 3: Cross multiply
    1,383,606.27x = 1,909,085.00 × 840,027.87
  4. Step 4: Simplify right side
    1,383,606.27x = 1,603,684,601,998.81
  5. Step 5: Solve for x
    x = 1,603,684,601,998.81/1,383,606.27
  6. Step 6: Final answer
    x = 1,159,061.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.