Home / 1,206,000.30-1,809,000.45-495,662.70

Finding the Fourth Proportional to 1,206,000.30, 1,809,000.45 and 495,662.70

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Solution

The fourth proportional to 1,206,000.30, 1,809,000.45 and 495,662.70 is: 743,494.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,000.30 : 1,809,000.45 = 495,662.70 : x
  2. Step 2: Convert to fraction form
    1,206,000.30/1,809,000.45 = 495,662.70/x
  3. Step 3: Cross multiply
    1,206,000.30x = 1,809,000.45 × 495,662.70
  4. Step 4: Simplify right side
    1,206,000.30x = 896,654,047,348.22
  5. Step 5: Solve for x
    x = 896,654,047,348.22/1,206,000.30
  6. Step 6: Final answer
    x = 743,494.05

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1.5x scale

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.