Home / 1,818,619-2,728,037.85-556,457.56

Finding the Fourth Proportional to 1,818,619, 2,728,037.85 and 556,457.56

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Solution

The fourth proportional to 1,818,619, 2,728,037.85 and 556,457.56 is: 834,719.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,619 : 2,728,037.85 = 556,457.56 : x
  2. Step 2: Convert to fraction form
    1,818,619/2,728,037.85 = 556,457.56/x
  3. Step 3: Cross multiply
    1,818,619x = 2,728,037.85 × 556,457.56
  4. Step 4: Simplify right side
    1,818,619x = 1,518,037,285,598.65
  5. Step 5: Solve for x
    x = 1,518,037,285,598.65/1,818,619
  6. Step 6: Final answer
    x = 834,719.80

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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.