Home / 619,226.47-854,169.61-389,419.24

Finding the Fourth Proportional to 619,226.47, 854,169.61 and 389,419.24

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Solution

The fourth proportional to 619,226.47, 854,169.61 and 389,419.24 is: 537,170.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,226.47 : 854,169.61 = 389,419.24 : x
  2. Step 2: Convert to fraction form
    619,226.47/854,169.61 = 389,419.24/x
  3. Step 3: Cross multiply
    619,226.47x = 854,169.61 × 389,419.24
  4. Step 4: Simplify right side
    619,226.47x = 332,630,077,248.32
  5. Step 5: Solve for x
    x = 332,630,077,248.32/619,226.47
  6. Step 6: Final answer
    x = 537,170.32

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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.