Home / 929,165.80-1,392,807.30-629,676.40

Finding the Fourth Proportional to 929,165.80, 1,392,807.30 and 629,676.40

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Solution

The fourth proportional to 929,165.80, 1,392,807.30 and 629,676.40 is: 943,876.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,165.80 : 1,392,807.30 = 629,676.40 : x
  2. Step 2: Convert to fraction form
    929,165.80/1,392,807.30 = 629,676.40/x
  3. Step 3: Cross multiply
    929,165.80x = 1,392,807.30 × 629,676.40
  4. Step 4: Simplify right side
    929,165.80x = 877,017,886,557.72
  5. Step 5: Solve for x
    x = 877,017,886,557.72/929,165.80
  6. Step 6: Final answer
    x = 943,876.63

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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.