Home / 439,600.77-606,653.34-258,316.69

Finding the Fourth Proportional to 439,600.77, 606,653.34 and 258,316.69

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Solution

The fourth proportional to 439,600.77, 606,653.34 and 258,316.69 is: 356,479.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,600.77 : 606,653.34 = 258,316.69 : x
  2. Step 2: Convert to fraction form
    439,600.77/606,653.34 = 258,316.69/x
  3. Step 3: Cross multiply
    439,600.77x = 606,653.34 × 258,316.69
  4. Step 4: Simplify right side
    439,600.77x = 156,708,682,766.25
  5. Step 5: Solve for x
    x = 156,708,682,766.25/439,600.77
  6. Step 6: Final answer
    x = 356,479.55

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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.