Home / 1,666,428.11-2,299,857.83-941,322.54

Finding the Fourth Proportional to 1,666,428.11, 2,299,857.83 and 941,322.54

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Solution

The fourth proportional to 1,666,428.11, 2,299,857.83 and 941,322.54 is: 1,299,130.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,428.11 : 2,299,857.83 = 941,322.54 : x
  2. Step 2: Convert to fraction form
    1,666,428.11/2,299,857.83 = 941,322.54/x
  3. Step 3: Cross multiply
    1,666,428.11x = 2,299,857.83 × 941,322.54
  4. Step 4: Simplify right side
    1,666,428.11x = 2,164,908,014,174.49
  5. Step 5: Solve for x
    x = 2,164,908,014,174.49/1,666,428.11
  6. Step 6: Final answer
    x = 1,299,130.76

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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.