Home / 403,437.30-556,721.44-222,114.80

Finding the Fourth Proportional to 403,437.30, 556,721.44 and 222,114.80

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Solution

The fourth proportional to 403,437.30, 556,721.44 and 222,114.80 is: 306,506.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,437.30 : 556,721.44 = 222,114.80 : x
  2. Step 2: Convert to fraction form
    403,437.30/556,721.44 = 222,114.80/x
  3. Step 3: Cross multiply
    403,437.30x = 556,721.44 × 222,114.80
  4. Step 4: Simplify right side
    403,437.30x = 123,656,070,190.74
  5. Step 5: Solve for x
    x = 123,656,070,190.74/403,437.30
  6. Step 6: Final answer
    x = 306,506.29

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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.