Home / 403,848.08-557,322.04-222,571.70

Finding the Fourth Proportional to 403,848.08, 557,322.04 and 222,571.70

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Solution

The fourth proportional to 403,848.08, 557,322.04 and 222,571.70 is: 307,155.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,848.08 : 557,322.04 = 222,571.70 : x
  2. Step 2: Convert to fraction form
    403,848.08/557,322.04 = 222,571.70/x
  3. Step 3: Cross multiply
    403,848.08x = 557,322.04 × 222,571.70
  4. Step 4: Simplify right side
    403,848.08x = 124,044,112,219.86
  5. Step 5: Solve for x
    x = 124,044,112,219.86/403,848.08
  6. Step 6: Final answer
    x = 307,155.39

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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.