Home / 1,241,157.60-1,861,514.46-330,345

Finding the Fourth Proportional to 1,241,157.60, 1,861,514.46 and 330,345

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Solution

The fourth proportional to 1,241,157.60, 1,861,514.46 and 330,345 is: 495,458.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,157.60 : 1,861,514.46 = 330,345 : x
  2. Step 2: Convert to fraction form
    1,241,157.60/1,861,514.46 = 330,345/x
  3. Step 3: Cross multiply
    1,241,157.60x = 1,861,514.46 × 330,345
  4. Step 4: Simplify right side
    1,241,157.60x = 614,941,994,288.70
  5. Step 5: Solve for x
    x = 614,941,994,288.70/1,241,157.60
  6. Step 6: Final answer
    x = 495,458.43

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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.