Home / 783,662.58-1,081,572.58-477,916.34

Finding the Fourth Proportional to 783,662.58, 1,081,572.58 and 477,916.34

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Solution

The fourth proportional to 783,662.58, 1,081,572.58 and 477,916.34 is: 659,596.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,662.58 : 1,081,572.58 = 477,916.34 : x
  2. Step 2: Convert to fraction form
    783,662.58/1,081,572.58 = 477,916.34/x
  3. Step 3: Cross multiply
    783,662.58x = 1,081,572.58 × 477,916.34
  4. Step 4: Simplify right side
    783,662.58x = 516,901,204,067.49
  5. Step 5: Solve for x
    x = 516,901,204,067.49/783,662.58
  6. Step 6: Final answer
    x = 659,596.64

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.