Home / 1,005,563.35-1,387,704.78-546,708.78

Finding the Fourth Proportional to 1,005,563.35, 1,387,704.78 and 546,708.78

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Solution

The fourth proportional to 1,005,563.35, 1,387,704.78 and 546,708.78 is: 754,472.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,563.35 : 1,387,704.78 = 546,708.78 : x
  2. Step 2: Convert to fraction form
    1,005,563.35/1,387,704.78 = 546,708.78/x
  3. Step 3: Cross multiply
    1,005,563.35x = 1,387,704.78 × 546,708.78
  4. Step 4: Simplify right side
    1,005,563.35x = 758,670,387,273.97
  5. Step 5: Solve for x
    x = 758,670,387,273.97/1,005,563.35
  6. Step 6: Final answer
    x = 754,472.99

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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.