Home / 1,442,183.64-2,161,750.02-543,236.43

Finding the Fourth Proportional to 1,442,183.64, 2,161,750.02 and 543,236.43

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Solution

The fourth proportional to 1,442,183.64, 2,161,750.02 and 543,236.43 is: 814,280.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,183.64 : 2,161,750.02 = 543,236.43 : x
  2. Step 2: Convert to fraction form
    1,442,183.64/2,161,750.02 = 543,236.43/x
  3. Step 3: Cross multiply
    1,442,183.64x = 2,161,750.02 × 543,236.43
  4. Step 4: Simplify right side
    1,442,183.64x = 1,174,341,363,417.23
  5. Step 5: Solve for x
    x = 1,174,341,363,417.23/1,442,183.64
  6. Step 6: Final answer
    x = 814,280.05

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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.