Home / 779,648.73-1,169,939.64-336,416.73

Finding the Fourth Proportional to 779,648.73, 1,169,939.64 and 336,416.73

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Solution

The fourth proportional to 779,648.73, 1,169,939.64 and 336,416.73 is: 504,826.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,648.73 : 1,169,939.64 = 336,416.73 : x
  2. Step 2: Convert to fraction form
    779,648.73/1,169,939.64 = 336,416.73/x
  3. Step 3: Cross multiply
    779,648.73x = 1,169,939.64 × 336,416.73
  4. Step 4: Simplify right side
    779,648.73x = 393,587,267,986.18
  5. Step 5: Solve for x
    x = 393,587,267,986.18/779,648.73
  6. Step 6: Final answer
    x = 504,826.41

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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.