Home / 1,213,246.82-1,820,084.16-414,341.12

Finding the Fourth Proportional to 1,213,246.82, 1,820,084.16 and 414,341.12

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Solution

The fourth proportional to 1,213,246.82, 1,820,084.16 and 414,341.12 is: 621,584.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,246.82 : 1,820,084.16 = 414,341.12 : x
  2. Step 2: Convert to fraction form
    1,213,246.82/1,820,084.16 = 414,341.12/x
  3. Step 3: Cross multiply
    1,213,246.82x = 1,820,084.16 × 414,341.12
  4. Step 4: Simplify right side
    1,213,246.82x = 754,135,709,348.66
  5. Step 5: Solve for x
    x = 754,135,709,348.66/1,213,246.82
  6. Step 6: Final answer
    x = 621,584.74

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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.