Home / 1,051,566.80-1,575,276.60-629,589.20

Finding the Fourth Proportional to 1,051,566.80, 1,575,276.60 and 629,589.20

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Solution

The fourth proportional to 1,051,566.80, 1,575,276.60 and 629,589.20 is: 943,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,566.80 : 1,575,276.60 = 629,589.20 : x
  2. Step 2: Convert to fraction form
    1,051,566.80/1,575,276.60 = 629,589.20/x
  3. Step 3: Cross multiply
    1,051,566.80x = 1,575,276.60 × 629,589.20
  4. Step 4: Simplify right side
    1,051,566.80x = 991,777,134,372.72
  5. Step 5: Solve for x
    x = 991,777,134,372.72/1,051,566.80
  6. Step 6: Final answer
    x = 943,142.30

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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.