Home / 694,111.36-957,976.32-439,486.24

Finding the Fourth Proportional to 694,111.36, 957,976.32 and 439,486.24

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Solution

The fourth proportional to 694,111.36, 957,976.32 and 439,486.24 is: 606,556.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,111.36 : 957,976.32 = 439,486.24 : x
  2. Step 2: Convert to fraction form
    694,111.36/957,976.32 = 439,486.24/x
  3. Step 3: Cross multiply
    694,111.36x = 957,976.32 × 439,486.24
  4. Step 4: Simplify right side
    694,111.36x = 421,017,410,885.84
  5. Step 5: Solve for x
    x = 421,017,410,885.84/694,111.36
  6. Step 6: Final answer
    x = 606,556.00

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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.