Home / 1,002,443.82-1,383,245.02-572,751.78

Finding the Fourth Proportional to 1,002,443.82, 1,383,245.02 and 572,751.78

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Solution

The fourth proportional to 1,002,443.82, 1,383,245.02 and 572,751.78 is: 790,324.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,443.82 : 1,383,245.02 = 572,751.78 : x
  2. Step 2: Convert to fraction form
    1,002,443.82/1,383,245.02 = 572,751.78/x
  3. Step 3: Cross multiply
    1,002,443.82x = 1,383,245.02 × 572,751.78
  4. Step 4: Simplify right side
    1,002,443.82x = 792,256,047,381.14
  5. Step 5: Solve for x
    x = 792,256,047,381.14/1,002,443.82
  6. Step 6: Final answer
    x = 790,324.64

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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.