Home / 1,628,543.72-2,247,388.26-903,501.38

Finding the Fourth Proportional to 1,628,543.72, 2,247,388.26 and 903,501.38

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Solution

The fourth proportional to 1,628,543.72, 2,247,388.26 and 903,501.38 is: 1,246,830.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,543.72 : 2,247,388.26 = 903,501.38 : x
  2. Step 2: Convert to fraction form
    1,628,543.72/2,247,388.26 = 903,501.38/x
  3. Step 3: Cross multiply
    1,628,543.72x = 2,247,388.26 × 903,501.38
  4. Step 4: Simplify right side
    1,628,543.72x = 2,030,518,394,305.80
  5. Step 5: Solve for x
    x = 2,030,518,394,305.80/1,628,543.72
  6. Step 6: Final answer
    x = 1,246,830.75

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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.