Home / 1,513,003.86-2,269,842.75-660,213.18

Finding the Fourth Proportional to 1,513,003.86, 2,269,842.75 and 660,213.18

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Solution

The fourth proportional to 1,513,003.86, 2,269,842.75 and 660,213.18 is: 990,466.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,003.86 : 2,269,842.75 = 660,213.18 : x
  2. Step 2: Convert to fraction form
    1,513,003.86/2,269,842.75 = 660,213.18/x
  3. Step 3: Cross multiply
    1,513,003.86x = 2,269,842.75 × 660,213.18
  4. Step 4: Simplify right side
    1,513,003.86x = 1,498,580,100,077.45
  5. Step 5: Solve for x
    x = 1,498,580,100,077.45/1,513,003.86
  6. Step 6: Final answer
    x = 990,466.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.