Home / 1,456,340.56-2,009,817.96-811,765.36

Finding the Fourth Proportional to 1,456,340.56, 2,009,817.96 and 811,765.36

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Solution

The fourth proportional to 1,456,340.56, 2,009,817.96 and 811,765.36 is: 1,120,274.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,340.56 : 2,009,817.96 = 811,765.36 : x
  2. Step 2: Convert to fraction form
    1,456,340.56/2,009,817.96 = 811,765.36/x
  3. Step 3: Cross multiply
    1,456,340.56x = 2,009,817.96 × 811,765.36
  4. Step 4: Simplify right side
    1,456,340.56x = 1,631,500,599,833.87
  5. Step 5: Solve for x
    x = 1,631,500,599,833.87/1,456,340.56
  6. Step 6: Final answer
    x = 1,120,274.09

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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.