Home / 805,234.80-1,206,394.20-637,856.40

Finding the Fourth Proportional to 805,234.80, 1,206,394.20 and 637,856.40

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Solution

The fourth proportional to 805,234.80, 1,206,394.20 and 637,856.40 is: 955,629.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,234.80 : 1,206,394.20 = 637,856.40 : x
  2. Step 2: Convert to fraction form
    805,234.80/1,206,394.20 = 637,856.40/x
  3. Step 3: Cross multiply
    805,234.80x = 1,206,394.20 × 637,856.40
  4. Step 4: Simplify right side
    805,234.80x = 769,506,261,392.88
  5. Step 5: Solve for x
    x = 769,506,261,392.88/805,234.80
  6. Step 6: Final answer
    x = 955,629.66

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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.