Home / 294,131.18-403,257.22-288,816.74

Finding the Fourth Proportional to 294,131.18, 403,257.22 and 288,816.74

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Solution

The fourth proportional to 294,131.18, 403,257.22 and 288,816.74 is: 395,971.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,131.18 : 403,257.22 = 288,816.74 : x
  2. Step 2: Convert to fraction form
    294,131.18/403,257.22 = 288,816.74/x
  3. Step 3: Cross multiply
    294,131.18x = 403,257.22 × 288,816.74
  4. Step 4: Simplify right side
    294,131.18x = 116,467,435,661.86
  5. Step 5: Solve for x
    x = 116,467,435,661.86/294,131.18
  6. Step 6: Final answer
    x = 395,971.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.