Home / 1,146,858.38-1,720,331.31-585,236.78

Finding the Fourth Proportional to 1,146,858.38, 1,720,331.31 and 585,236.78

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Solution

The fourth proportional to 1,146,858.38, 1,720,331.31 and 585,236.78 is: 877,877.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,858.38 : 1,720,331.31 = 585,236.78 : x
  2. Step 2: Convert to fraction form
    1,146,858.38/1,720,331.31 = 585,236.78/x
  3. Step 3: Cross multiply
    1,146,858.38x = 1,720,331.31 × 585,236.78
  4. Step 4: Simplify right side
    1,146,858.38x = 1,006,801,153,149.85
  5. Step 5: Solve for x
    x = 1,006,801,153,149.85/1,146,858.38
  6. Step 6: Final answer
    x = 877,877.49

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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.