Home / 403,844.84-557,309.65-222,563.39

Finding the Fourth Proportional to 403,844.84, 557,309.65 and 222,563.39

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Solution

The fourth proportional to 403,844.84, 557,309.65 and 222,563.39 is: 307,139.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,844.84 : 557,309.65 = 222,563.39 : x
  2. Step 2: Convert to fraction form
    403,844.84/557,309.65 = 222,563.39/x
  3. Step 3: Cross multiply
    403,844.84x = 557,309.65 × 222,563.39
  4. Step 4: Simplify right side
    403,844.84x = 124,036,724,983.71
  5. Step 5: Solve for x
    x = 124,036,724,983.71/403,844.84
  6. Step 6: Final answer
    x = 307,139.56

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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.