Home / 1,532,011.83-2,114,078.89-920,190.38

Finding the Fourth Proportional to 1,532,011.83, 2,114,078.89 and 920,190.38

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Solution

The fourth proportional to 1,532,011.83, 2,114,078.89 and 920,190.38 is: 1,269,804.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,011.83 : 2,114,078.89 = 920,190.38 : x
  2. Step 2: Convert to fraction form
    1,532,011.83/2,114,078.89 = 920,190.38/x
  3. Step 3: Cross multiply
    1,532,011.83x = 2,114,078.89 × 920,190.38
  4. Step 4: Simplify right side
    1,532,011.83x = 1,945,355,045,993.56
  5. Step 5: Solve for x
    x = 1,945,355,045,993.56/1,532,011.83
  6. Step 6: Final answer
    x = 1,269,804.20

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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.