Home / 1,453,784.36-2,006,222.18-809,190.81

Finding the Fourth Proportional to 1,453,784.36, 2,006,222.18 and 809,190.81

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Solution

The fourth proportional to 1,453,784.36, 2,006,222.18 and 809,190.81 is: 1,116,683.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,784.36 : 2,006,222.18 = 809,190.81 : x
  2. Step 2: Convert to fraction form
    1,453,784.36/2,006,222.18 = 809,190.81/x
  3. Step 3: Cross multiply
    1,453,784.36x = 2,006,222.18 × 809,190.81
  4. Step 4: Simplify right side
    1,453,784.36x = 1,623,416,546,828.21
  5. Step 5: Solve for x
    x = 1,623,416,546,828.21/1,453,784.36
  6. Step 6: Final answer
    x = 1,116,683.19

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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.