Home / 779,647.73-1,169,938.14-336,415.73

Finding the Fourth Proportional to 779,647.73, 1,169,938.14 and 336,415.73

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Solution

The fourth proportional to 779,647.73, 1,169,938.14 and 336,415.73 is: 504,824.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,647.73 : 1,169,938.14 = 336,415.73 : x
  2. Step 2: Convert to fraction form
    779,647.73/1,169,938.14 = 336,415.73/x
  3. Step 3: Cross multiply
    779,647.73x = 1,169,938.14 × 336,415.73
  4. Step 4: Simplify right side
    779,647.73x = 393,585,593,422.94
  5. Step 5: Solve for x
    x = 393,585,593,422.94/779,647.73
  6. Step 6: Final answer
    x = 504,824.91

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Double scale
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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.