Home / 439,799.09-606,918.65-248,812.48

Finding the Fourth Proportional to 439,799.09, 606,918.65 and 248,812.48

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Solution

The fourth proportional to 439,799.09, 606,918.65 and 248,812.48 is: 343,358.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,799.09 : 606,918.65 = 248,812.48 : x
  2. Step 2: Convert to fraction form
    439,799.09/606,918.65 = 248,812.48/x
  3. Step 3: Cross multiply
    439,799.09x = 606,918.65 × 248,812.48
  4. Step 4: Simplify right side
    439,799.09x = 151,008,934,464.75
  5. Step 5: Solve for x
    x = 151,008,934,464.75/439,799.09
  6. Step 6: Final answer
    x = 343,358.91

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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.