Home / 439,910.28-607,088.97-248,919.57

Finding the Fourth Proportional to 439,910.28, 607,088.97 and 248,919.57

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Solution

The fourth proportional to 439,910.28, 607,088.97 and 248,919.57 is: 343,516.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,910.28 : 607,088.97 = 248,919.57 : x
  2. Step 2: Convert to fraction form
    439,910.28/607,088.97 = 248,919.57/x
  3. Step 3: Cross multiply
    439,910.28x = 607,088.97 × 248,919.57
  4. Step 4: Simplify right side
    439,910.28x = 151,116,325,364.14
  5. Step 5: Solve for x
    x = 151,116,325,364.14/439,910.28
  6. Step 6: Final answer
    x = 343,516.24

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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.