Home / 427,081.68-589,321.44-236,068.92

Finding the Fourth Proportional to 427,081.68, 589,321.44 and 236,068.92

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Solution

The fourth proportional to 427,081.68, 589,321.44 and 236,068.92 is: 325,746.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,081.68 : 589,321.44 = 236,068.92 : x
  2. Step 2: Convert to fraction form
    427,081.68/589,321.44 = 236,068.92/x
  3. Step 3: Cross multiply
    427,081.68x = 589,321.44 × 236,068.92
  4. Step 4: Simplify right side
    427,081.68x = 139,120,475,873.65
  5. Step 5: Solve for x
    x = 139,120,475,873.65/427,081.68
  6. Step 6: Final answer
    x = 325,746.77

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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.