Home / 1,242,012.86-1,714,159.23-698,193.38

Finding the Fourth Proportional to 1,242,012.86, 1,714,159.23 and 698,193.38

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Solution

The fourth proportional to 1,242,012.86, 1,714,159.23 and 698,193.38 is: 963,608.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,012.86 : 1,714,159.23 = 698,193.38 : x
  2. Step 2: Convert to fraction form
    1,242,012.86/1,714,159.23 = 698,193.38/x
  3. Step 3: Cross multiply
    1,242,012.86x = 1,714,159.23 × 698,193.38
  4. Step 4: Simplify right side
    1,242,012.86x = 1,196,814,626,651.90
  5. Step 5: Solve for x
    x = 1,196,814,626,651.90/1,242,012.86
  6. Step 6: Final answer
    x = 963,608.88

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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.