Home / 403,543.63-556,868.37-222,220.12

Finding the Fourth Proportional to 403,543.63, 556,868.37 and 222,220.12

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Solution

The fourth proportional to 403,543.63, 556,868.37 and 222,220.12 is: 306,651.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,543.63 : 556,868.37 = 222,220.12 : x
  2. Step 2: Convert to fraction form
    403,543.63/556,868.37 = 222,220.12/x
  3. Step 3: Cross multiply
    403,543.63x = 556,868.37 × 222,220.12
  4. Step 4: Simplify right side
    403,543.63x = 123,747,356,005.60
  5. Step 5: Solve for x
    x = 123,747,356,005.60/403,543.63
  6. Step 6: Final answer
    x = 306,651.74

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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.