Home / 1,621,928-2,238,260.16-886,884.16

Finding the Fourth Proportional to 1,621,928, 2,238,260.16 and 886,884.16

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Solution

The fourth proportional to 1,621,928, 2,238,260.16 and 886,884.16 is: 1,223,899.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,928 : 2,238,260.16 = 886,884.16 : x
  2. Step 2: Convert to fraction form
    1,621,928/2,238,260.16 = 886,884.16/x
  3. Step 3: Cross multiply
    1,621,928x = 2,238,260.16 × 886,884.16
  4. Step 4: Simplify right side
    1,621,928x = 1,985,077,481,863.07
  5. Step 5: Solve for x
    x = 1,985,077,481,863.07/1,621,928
  6. Step 6: Final answer
    x = 1,223,899.88

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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.