Home / 1,243,189.86-1,715,440.59-699,307.26

Finding the Fourth Proportional to 1,243,189.86, 1,715,440.59 and 699,307.26

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Solution

The fourth proportional to 1,243,189.86, 1,715,440.59 and 699,307.26 is: 964,953.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,189.86 : 1,715,440.59 = 699,307.26 : x
  2. Step 2: Convert to fraction form
    1,243,189.86/1,715,440.59 = 699,307.26/x
  3. Step 3: Cross multiply
    1,243,189.86x = 1,715,440.59 × 699,307.26
  4. Step 4: Simplify right side
    1,243,189.86x = 1,199,620,058,685.68
  5. Step 5: Solve for x
    x = 1,199,620,058,685.68/1,243,189.86
  6. Step 6: Final answer
    x = 964,953.22

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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.