Home / 451,226.36-622,975.51-290,360.96

Finding the Fourth Proportional to 451,226.36, 622,975.51 and 290,360.96

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Solution

The fourth proportional to 451,226.36, 622,975.51 and 290,360.96 is: 400,880.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,226.36 : 622,975.51 = 290,360.96 : x
  2. Step 2: Convert to fraction form
    451,226.36/622,975.51 = 290,360.96/x
  3. Step 3: Cross multiply
    451,226.36x = 622,975.51 × 290,360.96
  4. Step 4: Simplify right side
    451,226.36x = 180,887,767,140.09
  5. Step 5: Solve for x
    x = 180,887,767,140.09/451,226.36
  6. Step 6: Final answer
    x = 400,880.32

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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.