Home / 403,181.25-556,378.93-228,783.22

Finding the Fourth Proportional to 403,181.25, 556,378.93 and 228,783.22

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Solution

The fourth proportional to 403,181.25, 556,378.93 and 228,783.22 is: 315,714.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,181.25 : 556,378.93 = 228,783.22 : x
  2. Step 2: Convert to fraction form
    403,181.25/556,378.93 = 228,783.22/x
  3. Step 3: Cross multiply
    403,181.25x = 556,378.93 × 228,783.22
  4. Step 4: Simplify right side
    403,181.25x = 127,290,163,145.56
  5. Step 5: Solve for x
    x = 127,290,163,145.56/403,181.25
  6. Step 6: Final answer
    x = 315,714.49

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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.