Home / 383,417.12-529,117.73-222,367.66

Finding the Fourth Proportional to 383,417.12, 529,117.73 and 222,367.66

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Solution

The fourth proportional to 383,417.12, 529,117.73 and 222,367.66 is: 306,868.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,417.12 : 529,117.73 = 222,367.66 : x
  2. Step 2: Convert to fraction form
    383,417.12/529,117.73 = 222,367.66/x
  3. Step 3: Cross multiply
    383,417.12x = 529,117.73 × 222,367.66
  4. Step 4: Simplify right side
    383,417.12x = 117,658,667,727.19
  5. Step 5: Solve for x
    x = 117,658,667,727.19/383,417.12
  6. Step 6: Final answer
    x = 306,868.58

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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.