Home / 1,276,304.80-1,914,111.60-377,744.80

Finding the Fourth Proportional to 1,276,304.80, 1,914,111.60 and 377,744.80

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Solution

The fourth proportional to 1,276,304.80, 1,914,111.60 and 377,744.80 is: 566,514.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,304.80 : 1,914,111.60 = 377,744.80 : x
  2. Step 2: Convert to fraction form
    1,276,304.80/1,914,111.60 = 377,744.80/x
  3. Step 3: Cross multiply
    1,276,304.80x = 1,914,111.60 × 377,744.80
  4. Step 4: Simplify right side
    1,276,304.80x = 723,045,703,519.68
  5. Step 5: Solve for x
    x = 723,045,703,519.68/1,276,304.80
  6. Step 6: Final answer
    x = 566,514.91

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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.