Home / 329,329.37-454,223.77-283,467.06

Finding the Fourth Proportional to 329,329.37, 454,223.77 and 283,467.06

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Solution

The fourth proportional to 329,329.37, 454,223.77 and 283,467.06 is: 390,968.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,329.37 : 454,223.77 = 283,467.06 : x
  2. Step 2: Convert to fraction form
    329,329.37/454,223.77 = 283,467.06/x
  3. Step 3: Cross multiply
    329,329.37x = 454,223.77 × 283,467.06
  4. Step 4: Simplify right side
    329,329.37x = 128,757,477,090.91
  5. Step 5: Solve for x
    x = 128,757,477,090.91/329,329.37
  6. Step 6: Final answer
    x = 390,968.71

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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.