Home / 403,944.30-557,417.76-222,646.25

Finding the Fourth Proportional to 403,944.30, 557,417.76 and 222,646.25

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Solution

The fourth proportional to 403,944.30, 557,417.76 and 222,646.25 is: 307,237.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,944.30 : 557,417.76 = 222,646.25 : x
  2. Step 2: Convert to fraction form
    403,944.30/557,417.76 = 222,646.25/x
  3. Step 3: Cross multiply
    403,944.30x = 557,417.76 × 222,646.25
  4. Step 4: Simplify right side
    403,944.30x = 124,106,973,947.40
  5. Step 5: Solve for x
    x = 124,106,973,947.40/403,944.30
  6. Step 6: Final answer
    x = 307,237.84

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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.