Home / 876,051.20-1,313,169.60-475,846.40

Finding the Fourth Proportional to 876,051.20, 1,313,169.60 and 475,846.40

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Solution

The fourth proportional to 876,051.20, 1,313,169.60 and 475,846.40 is: 713,276.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,051.20 : 1,313,169.60 = 475,846.40 : x
  2. Step 2: Convert to fraction form
    876,051.20/1,313,169.60 = 475,846.40/x
  3. Step 3: Cross multiply
    876,051.20x = 1,313,169.60 × 475,846.40
  4. Step 4: Simplify right side
    876,051.20x = 624,867,026,749.44
  5. Step 5: Solve for x
    x = 624,867,026,749.44/876,051.20
  6. Step 6: Final answer
    x = 713,276.83

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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.