Home / 403,935.80-557,406.04-222,637.76

Finding the Fourth Proportional to 403,935.80, 557,406.04 and 222,637.76

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Solution

The fourth proportional to 403,935.80, 557,406.04 and 222,637.76 is: 307,226.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,935.80 : 557,406.04 = 222,637.76 : x
  2. Step 2: Convert to fraction form
    403,935.80/557,406.04 = 222,637.76/x
  3. Step 3: Cross multiply
    403,935.80x = 557,406.04 × 222,637.76
  4. Step 4: Simplify right side
    403,935.80x = 124,099,632,156.07
  5. Step 5: Solve for x
    x = 124,099,632,156.07/403,935.80
  6. Step 6: Final answer
    x = 307,226.13

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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.