Home / 3,586,140.20-5,379,210.30-1,311,660.20

Finding the Fourth Proportional to 3,586,140.20, 5,379,210.30 and 1,311,660.20

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Solution

The fourth proportional to 3,586,140.20, 5,379,210.30 and 1,311,660.20 is: 1,967,490.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586,140.20 : 5,379,210.30 = 1,311,660.20 : x
  2. Step 2: Convert to fraction form
    3,586,140.20/5,379,210.30 = 1,311,660.20/x
  3. Step 3: Cross multiply
    3,586,140.20x = 5,379,210.30 × 1,311,660.20
  4. Step 4: Simplify right side
    3,586,140.20x = 7,055,696,057,940.06
  5. Step 5: Solve for x
    x = 7,055,696,057,940.06/3,586,140.20
  6. Step 6: Final answer
    x = 1,967,490.30

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Double scale
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Similar ratio
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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.