Home / 908,898.80-1,363,348.20-605,780.60

Finding the Fourth Proportional to 908,898.80, 1,363,348.20 and 605,780.60

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Solution

The fourth proportional to 908,898.80, 1,363,348.20 and 605,780.60 is: 908,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,898.80 : 1,363,348.20 = 605,780.60 : x
  2. Step 2: Convert to fraction form
    908,898.80/1,363,348.20 = 605,780.60/x
  3. Step 3: Cross multiply
    908,898.80x = 1,363,348.20 × 605,780.60
  4. Step 4: Simplify right side
    908,898.80x = 825,889,890,604.92
  5. Step 5: Solve for x
    x = 825,889,890,604.92/908,898.80
  6. Step 6: Final answer
    x = 908,670.90

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Double scale
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Similar ratio
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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.