Home / 619,314.12-854,670.60-377,541.36

Finding the Fourth Proportional to 619,314.12, 854,670.60 and 377,541.36

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Solution

The fourth proportional to 619,314.12, 854,670.60 and 377,541.36 is: 521,017.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,314.12 : 854,670.60 = 377,541.36 : x
  2. Step 2: Convert to fraction form
    619,314.12/854,670.60 = 377,541.36/x
  3. Step 3: Cross multiply
    619,314.12x = 854,670.60 × 377,541.36
  4. Step 4: Simplify right side
    619,314.12x = 322,673,500,676.02
  5. Step 5: Solve for x
    x = 322,673,500,676.02/619,314.12
  6. Step 6: Final answer
    x = 521,017.51

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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.