Home / 1,115,205.64-1,673,649.72-516,586.84

Finding the Fourth Proportional to 1,115,205.64, 1,673,649.72 and 516,586.84

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Solution

The fourth proportional to 1,115,205.64, 1,673,649.72 and 516,586.84 is: 775,269.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,205.64 : 1,673,649.72 = 516,586.84 : x
  2. Step 2: Convert to fraction form
    1,115,205.64/1,673,649.72 = 516,586.84/x
  3. Step 3: Cross multiply
    1,115,205.64x = 1,673,649.72 × 516,586.84
  4. Step 4: Simplify right side
    1,115,205.64x = 864,585,420,121.69
  5. Step 5: Solve for x
    x = 864,585,420,121.69/1,115,205.64
  6. Step 6: Final answer
    x = 775,269.95

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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.