Home / 1,352,109.87-1,865,933.73-740,252.43

Finding the Fourth Proportional to 1,352,109.87, 1,865,933.73 and 740,252.43

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Solution

The fourth proportional to 1,352,109.87, 1,865,933.73 and 740,252.43 is: 1,021,560.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,109.87 : 1,865,933.73 = 740,252.43 : x
  2. Step 2: Convert to fraction form
    1,352,109.87/1,865,933.73 = 740,252.43/x
  3. Step 3: Cross multiply
    1,352,109.87x = 1,865,933.73 × 740,252.43
  4. Step 4: Simplify right side
    1,352,109.87x = 1,381,261,977,851.46
  5. Step 5: Solve for x
    x = 1,381,261,977,851.46/1,352,109.87
  6. Step 6: Final answer
    x = 1,021,560.46

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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.