Home / 403,595.04-556,965-222,307.77

Finding the Fourth Proportional to 403,595.04, 556,965 and 222,307.77

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Solution

The fourth proportional to 403,595.04, 556,965 and 222,307.77 is: 306,786.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,595.04 : 556,965 = 222,307.77 : x
  2. Step 2: Convert to fraction form
    403,595.04/556,965 = 222,307.77/x
  3. Step 3: Cross multiply
    403,595.04x = 556,965 × 222,307.77
  4. Step 4: Simplify right side
    403,595.04x = 123,817,647,118.05
  5. Step 5: Solve for x
    x = 123,817,647,118.05/403,595.04
  6. Step 6: Final answer
    x = 306,786.84

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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.