Home / 1,112,543.22-1,535,339.84-629,180.65

Finding the Fourth Proportional to 1,112,543.22, 1,535,339.84 and 629,180.65

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Solution

The fourth proportional to 1,112,543.22, 1,535,339.84 and 629,180.65 is: 868,286.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,543.22 : 1,535,339.84 = 629,180.65 : x
  2. Step 2: Convert to fraction form
    1,112,543.22/1,535,339.84 = 629,180.65/x
  3. Step 3: Cross multiply
    1,112,543.22x = 1,535,339.84 × 629,180.65
  4. Step 4: Simplify right side
    1,112,543.22x = 966,006,117,275.37
  5. Step 5: Solve for x
    x = 966,006,117,275.37/1,112,543.22
  6. Step 6: Final answer
    x = 868,286.37

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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.