Home / 1,666,427.11-2,299,856.45-941,321.54

Finding the Fourth Proportional to 1,666,427.11, 2,299,856.45 and 941,321.54

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Solution

The fourth proportional to 1,666,427.11, 2,299,856.45 and 941,321.54 is: 1,299,129.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,427.11 : 2,299,856.45 = 941,321.54 : x
  2. Step 2: Convert to fraction form
    1,666,427.11/2,299,856.45 = 941,321.54/x
  3. Step 3: Cross multiply
    1,666,427.11x = 2,299,856.45 × 941,321.54
  4. Step 4: Simplify right side
    1,666,427.11x = 2,164,904,415,292.93
  5. Step 5: Solve for x
    x = 2,164,904,415,292.93/1,666,427.11
  6. Step 6: Final answer
    x = 1,299,129.38

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1.5x scale

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.