Home / 289,161.20-398,329.45-246,002.48

Finding the Fourth Proportional to 289,161.20, 398,329.45 and 246,002.48

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Solution

The fourth proportional to 289,161.20, 398,329.45 and 246,002.48 is: 338,876.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,161.20 : 398,329.45 = 246,002.48 : x
  2. Step 2: Convert to fraction form
    289,161.20/398,329.45 = 246,002.48/x
  3. Step 3: Cross multiply
    289,161.20x = 398,329.45 × 246,002.48
  4. Step 4: Simplify right side
    289,161.20x = 97,990,032,557.04
  5. Step 5: Solve for x
    x = 97,990,032,557.04/289,161.20
  6. Step 6: Final answer
    x = 338,876.84

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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.