Home / 782,626.60-1,174,465.98-277,185.76

Finding the Fourth Proportional to 782,626.60, 1,174,465.98 and 277,185.76

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Solution

The fourth proportional to 782,626.60, 1,174,465.98 and 277,185.76 is: 415,964.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,626.60 : 1,174,465.98 = 277,185.76 : x
  2. Step 2: Convert to fraction form
    782,626.60/1,174,465.98 = 277,185.76/x
  3. Step 3: Cross multiply
    782,626.60x = 1,174,465.98 × 277,185.76
  4. Step 4: Simplify right side
    782,626.60x = 325,545,245,260.45
  5. Step 5: Solve for x
    x = 325,545,245,260.45/782,626.60
  6. Step 6: Final answer
    x = 415,964.96

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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.