Home / 403,350.22-556,636.08-219,601.18

Finding the Fourth Proportional to 403,350.22, 556,636.08 and 219,601.18

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Solution

The fourth proportional to 403,350.22, 556,636.08 and 219,601.18 is: 303,056.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,350.22 : 556,636.08 = 219,601.18 : x
  2. Step 2: Convert to fraction form
    403,350.22/556,636.08 = 219,601.18/x
  3. Step 3: Cross multiply
    403,350.22x = 556,636.08 × 219,601.18
  4. Step 4: Simplify right side
    403,350.22x = 122,237,939,998.57
  5. Step 5: Solve for x
    x = 122,237,939,998.57/403,350.22
  6. Step 6: Final answer
    x = 303,056.58

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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.