Home / 1,608,554.10-2,219,859.09-920,339.22

Finding the Fourth Proportional to 1,608,554.10, 2,219,859.09 and 920,339.22

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Solution

The fourth proportional to 1,608,554.10, 2,219,859.09 and 920,339.22 is: 1,270,099.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,554.10 : 2,219,859.09 = 920,339.22 : x
  2. Step 2: Convert to fraction form
    1,608,554.10/2,219,859.09 = 920,339.22/x
  3. Step 3: Cross multiply
    1,608,554.10x = 2,219,859.09 × 920,339.22
  4. Step 4: Simplify right side
    1,608,554.10x = 2,043,023,383,400.51
  5. Step 5: Solve for x
    x = 2,043,023,383,400.51/1,608,554.10
  6. Step 6: Final answer
    x = 1,270,099.27

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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.