Home / 439,924.25-607,088.99-258,656.57

Finding the Fourth Proportional to 439,924.25, 607,088.99 and 258,656.57

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Solution

The fourth proportional to 439,924.25, 607,088.99 and 258,656.57 is: 356,942.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,924.25 : 607,088.99 = 258,656.57 : x
  2. Step 2: Convert to fraction form
    439,924.25/607,088.99 = 258,656.57/x
  3. Step 3: Cross multiply
    439,924.25x = 607,088.99 × 258,656.57
  4. Step 4: Simplify right side
    439,924.25x = 157,027,554,544.88
  5. Step 5: Solve for x
    x = 157,027,554,544.88/439,924.25
  6. Step 6: Final answer
    x = 356,942.26

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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.