Home / 403,180.25-556,377.55-228,782.22

Finding the Fourth Proportional to 403,180.25, 556,377.55 and 228,782.22

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Solution

The fourth proportional to 403,180.25, 556,377.55 and 228,782.22 is: 315,713.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,180.25 : 556,377.55 = 228,782.22 : x
  2. Step 2: Convert to fraction form
    403,180.25/556,377.55 = 228,782.22/x
  3. Step 3: Cross multiply
    403,180.25x = 556,377.55 × 228,782.22
  4. Step 4: Simplify right side
    403,180.25x = 127,289,291,047.16
  5. Step 5: Solve for x
    x = 127,289,291,047.16/403,180.25
  6. Step 6: Final answer
    x = 315,713.11

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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.