Home / 439,208.64-606,091.68-238,000.32

Finding the Fourth Proportional to 439,208.64, 606,091.68 and 238,000.32

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Solution

The fourth proportional to 439,208.64, 606,091.68 and 238,000.32 is: 328,431.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,208.64 : 606,091.68 = 238,000.32 : x
  2. Step 2: Convert to fraction form
    439,208.64/606,091.68 = 238,000.32/x
  3. Step 3: Cross multiply
    439,208.64x = 606,091.68 × 238,000.32
  4. Step 4: Simplify right side
    439,208.64x = 144,250,013,789.34
  5. Step 5: Solve for x
    x = 144,250,013,789.34/439,208.64
  6. Step 6: Final answer
    x = 328,431.64

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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.