Home / 1,263,630.80-1,895,446.20-317,032.40

Finding the Fourth Proportional to 1,263,630.80, 1,895,446.20 and 317,032.40

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Solution

The fourth proportional to 1,263,630.80, 1,895,446.20 and 317,032.40 is: 475,548.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,630.80 : 1,895,446.20 = 317,032.40 : x
  2. Step 2: Convert to fraction form
    1,263,630.80/1,895,446.20 = 317,032.40/x
  3. Step 3: Cross multiply
    1,263,630.80x = 1,895,446.20 × 317,032.40
  4. Step 4: Simplify right side
    1,263,630.80x = 600,917,857,856.88
  5. Step 5: Solve for x
    x = 600,917,857,856.88/1,263,630.80
  6. Step 6: Final answer
    x = 475,548.60

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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.