Home / 694,036.81-957,773.36-403,718.03

Finding the Fourth Proportional to 694,036.81, 957,773.36 and 403,718.03

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Solution

The fourth proportional to 694,036.81, 957,773.36 and 403,718.03 is: 557,132.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,036.81 : 957,773.36 = 403,718.03 : x
  2. Step 2: Convert to fraction form
    694,036.81/957,773.36 = 403,718.03/x
  3. Step 3: Cross multiply
    694,036.81x = 957,773.36 × 403,718.03
  4. Step 4: Simplify right side
    694,036.81x = 386,670,368,792.17
  5. Step 5: Solve for x
    x = 386,670,368,792.17/694,036.81
  6. Step 6: Final answer
    x = 557,132.37

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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.