Home / 619,317.12-854,674.74-377,544.36

Finding the Fourth Proportional to 619,317.12, 854,674.74 and 377,544.36

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Solution

The fourth proportional to 619,317.12, 854,674.74 and 377,544.36 is: 521,021.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,317.12 : 854,674.74 = 377,544.36 : x
  2. Step 2: Convert to fraction form
    619,317.12/854,674.74 = 377,544.36/x
  3. Step 3: Cross multiply
    619,317.12x = 854,674.74 × 377,544.36
  4. Step 4: Simplify right side
    619,317.12x = 322,677,627,721.47
  5. Step 5: Solve for x
    x = 322,677,627,721.47/619,317.12
  6. Step 6: Final answer
    x = 521,021.65

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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.