Home / 1,587,213.60-2,380,334.40-522,009.60

Finding the Fourth Proportional to 1,587,213.60, 2,380,334.40 and 522,009.60

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Solution

The fourth proportional to 1,587,213.60, 2,380,334.40 and 522,009.60 is: 782,854.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,213.60 : 2,380,334.40 = 522,009.60 : x
  2. Step 2: Convert to fraction form
    1,587,213.60/2,380,334.40 = 522,009.60/x
  3. Step 3: Cross multiply
    1,587,213.60x = 2,380,334.40 × 522,009.60
  4. Step 4: Simplify right side
    1,587,213.60x = 1,242,557,408,010.24
  5. Step 5: Solve for x
    x = 1,242,557,408,010.24/1,587,213.60
  6. Step 6: Final answer
    x = 782,854.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.