Home / 1,411,212.43-2,116,693.77-512,661.88

Finding the Fourth Proportional to 1,411,212.43, 2,116,693.77 and 512,661.88

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Solution

The fourth proportional to 1,411,212.43, 2,116,693.77 and 512,661.88 is: 768,947.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,212.43 : 2,116,693.77 = 512,661.88 : x
  2. Step 2: Convert to fraction form
    1,411,212.43/2,116,693.77 = 512,661.88/x
  3. Step 3: Cross multiply
    1,411,212.43x = 2,116,693.77 × 512,661.88
  4. Step 4: Simplify right side
    1,411,212.43x = 1,085,148,207,512.49
  5. Step 5: Solve for x
    x = 1,085,148,207,512.49/1,411,212.43
  6. Step 6: Final answer
    x = 768,947.46

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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.