Home / 403,881.46-557,334.74-222,557.28

Finding the Fourth Proportional to 403,881.46, 557,334.74 and 222,557.28

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Solution

The fourth proportional to 403,881.46, 557,334.74 and 222,557.28 is: 307,117.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,881.46 : 557,334.74 = 222,557.28 : x
  2. Step 2: Convert to fraction form
    403,881.46/557,334.74 = 222,557.28/x
  3. Step 3: Cross multiply
    403,881.46x = 557,334.74 × 222,557.28
  4. Step 4: Simplify right side
    403,881.46x = 124,038,903,783.91
  5. Step 5: Solve for x
    x = 124,038,903,783.91/403,881.46
  6. Step 6: Final answer
    x = 307,117.10

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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.