Home / 403,349.22-556,634.70-219,600.18

Finding the Fourth Proportional to 403,349.22, 556,634.70 and 219,600.18

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Solution

The fourth proportional to 403,349.22, 556,634.70 and 219,600.18 is: 303,055.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,349.22 : 556,634.70 = 219,600.18 : x
  2. Step 2: Convert to fraction form
    403,349.22/556,634.70 = 219,600.18/x
  3. Step 3: Cross multiply
    403,349.22x = 556,634.70 × 219,600.18
  4. Step 4: Simplify right side
    403,349.22x = 122,237,080,314.25
  5. Step 5: Solve for x
    x = 122,237,080,314.25/403,349.22
  6. Step 6: Final answer
    x = 303,055.20

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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.