Home / 403,814.33-557,262.62-222,526.20

Finding the Fourth Proportional to 403,814.33, 557,262.62 and 222,526.20

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Solution

The fourth proportional to 403,814.33, 557,262.62 and 222,526.20 is: 307,085.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,814.33 : 557,262.62 = 222,526.20 : x
  2. Step 2: Convert to fraction form
    403,814.33/557,262.62 = 222,526.20/x
  3. Step 3: Cross multiply
    403,814.33x = 557,262.62 × 222,526.20
  4. Step 4: Simplify right side
    403,814.33x = 124,005,532,118.01
  5. Step 5: Solve for x
    x = 124,005,532,118.01/403,814.33
  6. Step 6: Final answer
    x = 307,085.52

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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.