Home / 889,016.37-1,226,842.59-481,118.22

Finding the Fourth Proportional to 889,016.37, 1,226,842.59 and 481,118.22

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Solution

The fourth proportional to 889,016.37, 1,226,842.59 and 481,118.22 is: 663,943.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,016.37 : 1,226,842.59 = 481,118.22 : x
  2. Step 2: Convert to fraction form
    889,016.37/1,226,842.59 = 481,118.22/x
  3. Step 3: Cross multiply
    889,016.37x = 1,226,842.59 × 481,118.22
  4. Step 4: Simplify right side
    889,016.37x = 590,256,323,120.99
  5. Step 5: Solve for x
    x = 590,256,323,120.99/889,016.37
  6. Step 6: Final answer
    x = 663,943.14

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Double scale
Find fourth proportional to 889,017.37, 1,226,843.97 and 481,119.22
Similar ratio
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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.