Home / 1,600,629.80-2,208,939.88-921,785

Finding the Fourth Proportional to 1,600,629.80, 2,208,939.88 and 921,785

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Solution

The fourth proportional to 1,600,629.80, 2,208,939.88 and 921,785 is: 1,272,104.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,629.80 : 2,208,939.88 = 921,785 : x
  2. Step 2: Convert to fraction form
    1,600,629.80/2,208,939.88 = 921,785/x
  3. Step 3: Cross multiply
    1,600,629.80x = 2,208,939.88 × 921,785
  4. Step 4: Simplify right side
    1,600,629.80x = 2,036,167,647,285.80
  5. Step 5: Solve for x
    x = 2,036,167,647,285.80/1,600,629.80
  6. Step 6: Final answer
    x = 1,272,104.05

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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.