Home / 1,361,939.57-1,879,337.52-838,567.07

Finding the Fourth Proportional to 1,361,939.57, 1,879,337.52 and 838,567.07

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Solution

The fourth proportional to 1,361,939.57, 1,879,337.52 and 838,567.07 is: 1,157,136.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,939.57 : 1,879,337.52 = 838,567.07 : x
  2. Step 2: Convert to fraction form
    1,361,939.57/1,879,337.52 = 838,567.07/x
  3. Step 3: Cross multiply
    1,361,939.57x = 1,879,337.52 × 838,567.07
  4. Step 4: Simplify right side
    1,361,939.57x = 1,575,950,555,338.29
  5. Step 5: Solve for x
    x = 1,575,950,555,338.29/1,361,939.57
  6. Step 6: Final answer
    x = 1,157,136.92

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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.