Home / 774,824.60-1,160,303.96-489,654.84

Finding the Fourth Proportional to 774,824.60, 1,160,303.96 and 489,654.84

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Solution

The fourth proportional to 774,824.60, 1,160,303.96 and 489,654.84 is: 733,260.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,824.60 : 1,160,303.96 = 489,654.84 : x
  2. Step 2: Convert to fraction form
    774,824.60/1,160,303.96 = 489,654.84/x
  3. Step 3: Cross multiply
    774,824.60x = 1,160,303.96 × 489,654.84
  4. Step 4: Simplify right side
    774,824.60x = 568,148,446,179.43
  5. Step 5: Solve for x
    x = 568,148,446,179.43/774,824.60
  6. Step 6: Final answer
    x = 733,260.72

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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.