Home / 403,200.15-556,416.27-219,439.41

Finding the Fourth Proportional to 403,200.15, 556,416.27 and 219,439.41

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Solution

The fourth proportional to 403,200.15, 556,416.27 and 219,439.41 is: 302,826.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,200.15 : 556,416.27 = 219,439.41 : x
  2. Step 2: Convert to fraction form
    403,200.15/556,416.27 = 219,439.41/x
  3. Step 3: Cross multiply
    403,200.15x = 556,416.27 × 219,439.41
  4. Step 4: Simplify right side
    403,200.15x = 122,099,658,003.20
  5. Step 5: Solve for x
    x = 122,099,658,003.20/403,200.15
  6. Step 6: Final answer
    x = 302,826.42

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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.