Home / 1,621,754.64-2,238,376.68-943,082.64

Finding the Fourth Proportional to 1,621,754.64, 2,238,376.68 and 943,082.64

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Solution

The fourth proportional to 1,621,754.64, 2,238,376.68 and 943,082.64 is: 1,301,660.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,754.64 : 2,238,376.68 = 943,082.64 : x
  2. Step 2: Convert to fraction form
    1,621,754.64/2,238,376.68 = 943,082.64/x
  3. Step 3: Cross multiply
    1,621,754.64x = 2,238,376.68 × 943,082.64
  4. Step 4: Simplify right side
    1,621,754.64x = 2,110,974,188,688.84
  5. Step 5: Solve for x
    x = 2,110,974,188,688.84/1,621,754.64
  6. Step 6: Final answer
    x = 1,301,660.64

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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.