Home / 403,395.18-556,680.76-222,103.41

Finding the Fourth Proportional to 403,395.18, 556,680.76 and 222,103.41

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Solution

The fourth proportional to 403,395.18, 556,680.76 and 222,103.41 is: 306,500.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,395.18 : 556,680.76 = 222,103.41 : x
  2. Step 2: Convert to fraction form
    403,395.18/556,680.76 = 222,103.41/x
  3. Step 3: Cross multiply
    403,395.18x = 556,680.76 × 222,103.41
  4. Step 4: Simplify right side
    403,395.18x = 123,640,695,077.39
  5. Step 5: Solve for x
    x = 123,640,695,077.39/403,395.18
  6. Step 6: Final answer
    x = 306,500.18

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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.