Home / 1,057,231.22-1,458,984.48-621,623.94

Finding the Fourth Proportional to 1,057,231.22, 1,458,984.48 and 621,623.94

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Solution

The fourth proportional to 1,057,231.22, 1,458,984.48 and 621,623.94 is: 857,844.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,231.22 : 1,458,984.48 = 621,623.94 : x
  2. Step 2: Convert to fraction form
    1,057,231.22/1,458,984.48 = 621,623.94/x
  3. Step 3: Cross multiply
    1,057,231.22x = 1,458,984.48 × 621,623.94
  4. Step 4: Simplify right side
    1,057,231.22x = 906,939,680,856.45
  5. Step 5: Solve for x
    x = 906,939,680,856.45/1,057,231.22
  6. Step 6: Final answer
    x = 857,844.21

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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.