Home / 439,075.41-606,025.33-285,846.79

Finding the Fourth Proportional to 439,075.41, 606,025.33 and 285,846.79

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Solution

The fourth proportional to 439,075.41, 606,025.33 and 285,846.79 is: 394,534.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,075.41 : 606,025.33 = 285,846.79 : x
  2. Step 2: Convert to fraction form
    439,075.41/606,025.33 = 285,846.79/x
  3. Step 3: Cross multiply
    439,075.41x = 606,025.33 × 285,846.79
  4. Step 4: Simplify right side
    439,075.41x = 173,230,392,795.06
  5. Step 5: Solve for x
    x = 173,230,392,795.06/439,075.41
  6. Step 6: Final answer
    x = 394,534.49

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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.