Home / 1,086,511.66-1,499,313.36-657,028.60

Finding the Fourth Proportional to 1,086,511.66, 1,499,313.36 and 657,028.60

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Solution

The fourth proportional to 1,086,511.66, 1,499,313.36 and 657,028.60 is: 906,655.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,511.66 : 1,499,313.36 = 657,028.60 : x
  2. Step 2: Convert to fraction form
    1,086,511.66/1,499,313.36 = 657,028.60/x
  3. Step 3: Cross multiply
    1,086,511.66x = 1,499,313.36 × 657,028.60
  4. Step 4: Simplify right side
    1,086,511.66x = 985,091,757,882.10
  5. Step 5: Solve for x
    x = 985,091,757,882.10/1,086,511.66
  6. Step 6: Final answer
    x = 906,655.49

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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.