Home / 1,128,483.28-1,557,334.11-619,185.25

Finding the Fourth Proportional to 1,128,483.28, 1,557,334.11 and 619,185.25

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Solution

The fourth proportional to 1,128,483.28, 1,557,334.11 and 619,185.25 is: 854,490.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,483.28 : 1,557,334.11 = 619,185.25 : x
  2. Step 2: Convert to fraction form
    1,128,483.28/1,557,334.11 = 619,185.25/x
  3. Step 3: Cross multiply
    1,128,483.28x = 1,557,334.11 × 619,185.25
  4. Step 4: Simplify right side
    1,128,483.28x = 964,278,310,233.88
  5. Step 5: Solve for x
    x = 964,278,310,233.88/1,128,483.28
  6. Step 6: Final answer
    x = 854,490.56

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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.