Home / 403,828.70-557,287.31-222,547.13

Finding the Fourth Proportional to 403,828.70, 557,287.31 and 222,547.13

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Solution

The fourth proportional to 403,828.70, 557,287.31 and 222,547.13 is: 307,117.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,828.70 : 557,287.31 = 222,547.13 : x
  2. Step 2: Convert to fraction form
    403,828.70/557,287.31 = 222,547.13/x
  3. Step 3: Cross multiply
    403,828.70x = 557,287.31 × 222,547.13
  4. Step 4: Simplify right side
    403,828.70x = 124,022,687,526.75
  5. Step 5: Solve for x
    x = 124,022,687,526.75/403,828.70
  6. Step 6: Final answer
    x = 307,117.07

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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.