Home / 1,456,201.96-2,009,568.06-811,663.10

Finding the Fourth Proportional to 1,456,201.96, 2,009,568.06 and 811,663.10

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Solution

The fourth proportional to 1,456,201.96, 2,009,568.06 and 811,663.10 is: 1,120,100.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,201.96 : 2,009,568.06 = 811,663.10 : x
  2. Step 2: Convert to fraction form
    1,456,201.96/2,009,568.06 = 811,663.10/x
  3. Step 3: Cross multiply
    1,456,201.96x = 2,009,568.06 × 811,663.10
  4. Step 4: Simplify right side
    1,456,201.96x = 1,631,092,241,240.59
  5. Step 5: Solve for x
    x = 1,631,092,241,240.59/1,456,201.96
  6. Step 6: Final answer
    x = 1,120,100.29

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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.