Home / 1,050,514.45-1,449,690.21-642,586.37

Finding the Fourth Proportional to 1,050,514.45, 1,449,690.21 and 642,586.37

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Solution

The fourth proportional to 1,050,514.45, 1,449,690.21 and 642,586.37 is: 886,757.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,514.45 : 1,449,690.21 = 642,586.37 : x
  2. Step 2: Convert to fraction form
    1,050,514.45/1,449,690.21 = 642,586.37/x
  3. Step 3: Cross multiply
    1,050,514.45x = 1,449,690.21 × 642,586.37
  4. Step 4: Simplify right side
    1,050,514.45x = 931,551,162,419.99
  5. Step 5: Solve for x
    x = 931,551,162,419.99/1,050,514.45
  6. Step 6: Final answer
    x = 886,757.12

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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.