Home / 1,213,066.80-1,819,600.20-465,112.80

Finding the Fourth Proportional to 1,213,066.80, 1,819,600.20 and 465,112.80

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Solution

The fourth proportional to 1,213,066.80, 1,819,600.20 and 465,112.80 is: 697,669.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,066.80 : 1,819,600.20 = 465,112.80 : x
  2. Step 2: Convert to fraction form
    1,213,066.80/1,819,600.20 = 465,112.80/x
  3. Step 3: Cross multiply
    1,213,066.80x = 1,819,600.20 × 465,112.80
  4. Step 4: Simplify right side
    1,213,066.80x = 846,319,343,902.56
  5. Step 5: Solve for x
    x = 846,319,343,902.56/1,213,066.80
  6. Step 6: Final answer
    x = 697,669.20

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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.