Home / 657,608.36-907,241.31-381,919.28

Finding the Fourth Proportional to 657,608.36, 907,241.31 and 381,919.28

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Solution

The fourth proportional to 657,608.36, 907,241.31 and 381,919.28 is: 526,898.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,608.36 : 907,241.31 = 381,919.28 : x
  2. Step 2: Convert to fraction form
    657,608.36/907,241.31 = 381,919.28/x
  3. Step 3: Cross multiply
    657,608.36x = 907,241.31 × 381,919.28
  4. Step 4: Simplify right side
    657,608.36x = 346,492,943,365.25
  5. Step 5: Solve for x
    x = 346,492,943,365.25/657,608.36
  6. Step 6: Final answer
    x = 526,898.63

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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.