Home / 3,080,866.32-4,619,520.68-950,378.40

Finding the Fourth Proportional to 3,080,866.32, 4,619,520.68 and 950,378.40

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Solution

The fourth proportional to 3,080,866.32, 4,619,520.68 and 950,378.40 is: 1,425,018.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080,866.32 : 4,619,520.68 = 950,378.40 : x
  2. Step 2: Convert to fraction form
    3,080,866.32/4,619,520.68 = 950,378.40/x
  3. Step 3: Cross multiply
    3,080,866.32x = 4,619,520.68 × 950,378.40
  4. Step 4: Simplify right side
    3,080,866.32x = 4,390,292,672,625.31
  5. Step 5: Solve for x
    x = 4,390,292,672,625.31/3,080,866.32
  6. Step 6: Final answer
    x = 1,425,018.88

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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.