Home / 1,173,453.70-1,619,310.10-720,657.22

Finding the Fourth Proportional to 1,173,453.70, 1,619,310.10 and 720,657.22

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Solution

The fourth proportional to 1,173,453.70, 1,619,310.10 and 720,657.22 is: 994,472.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,453.70 : 1,619,310.10 = 720,657.22 : x
  2. Step 2: Convert to fraction form
    1,173,453.70/1,619,310.10 = 720,657.22/x
  3. Step 3: Cross multiply
    1,173,453.70x = 1,619,310.10 × 720,657.22
  4. Step 4: Simplify right side
    1,173,453.70x = 1,166,967,514,983.92
  5. Step 5: Solve for x
    x = 1,166,967,514,983.92/1,173,453.70
  6. Step 6: Final answer
    x = 994,472.57

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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.