Home / 403,946.32-557,449.82-222,665.24

Finding the Fourth Proportional to 403,946.32, 557,449.82 and 222,665.24

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Solution

The fourth proportional to 403,946.32, 557,449.82 and 222,665.24 is: 307,280.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,946.32 : 557,449.82 = 222,665.24 : x
  2. Step 2: Convert to fraction form
    403,946.32/557,449.82 = 222,665.24/x
  3. Step 3: Cross multiply
    403,946.32x = 557,449.82 × 222,665.24
  4. Step 4: Simplify right side
    403,946.32x = 124,124,697,958.26
  5. Step 5: Solve for x
    x = 124,124,697,958.26/403,946.32
  6. Step 6: Final answer
    x = 307,280.18

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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.