Home / 806,212.40-1,209,318.60-293,916

Finding the Fourth Proportional to 806,212.40, 1,209,318.60 and 293,916

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Solution

The fourth proportional to 806,212.40, 1,209,318.60 and 293,916 is: 440,874.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,212.40 : 1,209,318.60 = 293,916 : x
  2. Step 2: Convert to fraction form
    806,212.40/1,209,318.60 = 293,916/x
  3. Step 3: Cross multiply
    806,212.40x = 1,209,318.60 × 293,916
  4. Step 4: Simplify right side
    806,212.40x = 355,438,085,637.60
  5. Step 5: Solve for x
    x = 355,438,085,637.60/806,212.40
  6. Step 6: Final answer
    x = 440,874.00

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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.