Home / 1,410,126.80-2,115,190.20-463,269.20

Finding the Fourth Proportional to 1,410,126.80, 2,115,190.20 and 463,269.20

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Solution

The fourth proportional to 1,410,126.80, 2,115,190.20 and 463,269.20 is: 694,903.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,126.80 : 2,115,190.20 = 463,269.20 : x
  2. Step 2: Convert to fraction form
    1,410,126.80/2,115,190.20 = 463,269.20/x
  3. Step 3: Cross multiply
    1,410,126.80x = 2,115,190.20 × 463,269.20
  4. Step 4: Simplify right side
    1,410,126.80x = 979,902,471,801.84
  5. Step 5: Solve for x
    x = 979,902,471,801.84/1,410,126.80
  6. Step 6: Final answer
    x = 694,903.80

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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.