Home / 1,161,810.87-1,738,986.72-620,714.98

Finding the Fourth Proportional to 1,161,810.87, 1,738,986.72 and 620,714.98

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Solution

The fourth proportional to 1,161,810.87, 1,738,986.72 and 620,714.98 is: 929,079.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,810.87 : 1,738,986.72 = 620,714.98 : x
  2. Step 2: Convert to fraction form
    1,161,810.87/1,738,986.72 = 620,714.98/x
  3. Step 3: Cross multiply
    1,161,810.87x = 1,738,986.72 × 620,714.98
  4. Step 4: Simplify right side
    1,161,810.87x = 1,079,415,107,125.07
  5. Step 5: Solve for x
    x = 1,079,415,107,125.07/1,161,810.87
  6. Step 6: Final answer
    x = 929,079.88

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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.