Home / 1,399,936.36-2,100,210.78-453,402.76

Finding the Fourth Proportional to 1,399,936.36, 2,100,210.78 and 453,402.76

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Solution

The fourth proportional to 1,399,936.36, 2,100,210.78 and 453,402.76 is: 680,203.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,936.36 : 2,100,210.78 = 453,402.76 : x
  2. Step 2: Convert to fraction form
    1,399,936.36/2,100,210.78 = 453,402.76/x
  3. Step 3: Cross multiply
    1,399,936.36x = 2,100,210.78 × 453,402.76
  4. Step 4: Simplify right side
    1,399,936.36x = 952,241,364,233.75
  5. Step 5: Solve for x
    x = 952,241,364,233.75/1,399,936.36
  6. Step 6: Final answer
    x = 680,203.32

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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.