Home / 403,789.93-557,254.92-222,501.80

Finding the Fourth Proportional to 403,789.93, 557,254.92 and 222,501.80

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Solution

The fourth proportional to 403,789.93, 557,254.92 and 222,501.80 is: 307,066.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,789.93 : 557,254.92 = 222,501.80 : x
  2. Step 2: Convert to fraction form
    403,789.93/557,254.92 = 222,501.80/x
  3. Step 3: Cross multiply
    403,789.93x = 557,254.92 × 222,501.80
  4. Step 4: Simplify right side
    403,789.93x = 123,990,224,986.38
  5. Step 5: Solve for x
    x = 123,990,224,986.38/403,789.93
  6. Step 6: Final answer
    x = 307,066.17

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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.