Home / 1,399,924.85-2,100,193.52-453,391.25

Finding the Fourth Proportional to 1,399,924.85, 2,100,193.52 and 453,391.25

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Solution

The fourth proportional to 1,399,924.85, 2,100,193.52 and 453,391.25 is: 680,186.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,924.85 : 2,100,193.52 = 453,391.25 : x
  2. Step 2: Convert to fraction form
    1,399,924.85/2,100,193.52 = 453,391.25/x
  3. Step 3: Cross multiply
    1,399,924.85x = 2,100,193.52 × 453,391.25
  4. Step 4: Simplify right side
    1,399,924.85x = 952,209,352,506.78
  5. Step 5: Solve for x
    x = 952,209,352,506.78/1,399,924.85
  6. Step 6: Final answer
    x = 680,186.05

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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.