Home / 403,895.83-557,374.44-220,134.10

Finding the Fourth Proportional to 403,895.83, 557,374.44 and 220,134.10

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Solution

The fourth proportional to 403,895.83, 557,374.44 and 220,134.10 is: 303,784.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,895.83 : 557,374.44 = 220,134.10 : x
  2. Step 2: Convert to fraction form
    403,895.83/557,374.44 = 220,134.10/x
  3. Step 3: Cross multiply
    403,895.83x = 557,374.44 × 220,134.10
  4. Step 4: Simplify right side
    403,895.83x = 122,697,120,712.40
  5. Step 5: Solve for x
    x = 122,697,120,712.40/403,895.83
  6. Step 6: Final answer
    x = 303,784.07

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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.