Home / 1,110,179.16-1,665,373.23-311,457.60

Finding the Fourth Proportional to 1,110,179.16, 1,665,373.23 and 311,457.60

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Solution

The fourth proportional to 1,110,179.16, 1,665,373.23 and 311,457.60 is: 467,215.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,179.16 : 1,665,373.23 = 311,457.60 : x
  2. Step 2: Convert to fraction form
    1,110,179.16/1,665,373.23 = 311,457.60/x
  3. Step 3: Cross multiply
    1,110,179.16x = 1,665,373.23 × 311,457.60
  4. Step 4: Simplify right side
    1,110,179.16x = 518,693,149,320.05
  5. Step 5: Solve for x
    x = 518,693,149,320.05/1,110,179.16
  6. Step 6: Final answer
    x = 467,215.71

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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.