Home / 753,443.25-1,039,752.09-413,933.37

Finding the Fourth Proportional to 753,443.25, 1,039,752.09 and 413,933.37

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Solution

The fourth proportional to 753,443.25, 1,039,752.09 and 413,933.37 is: 571,228.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,443.25 : 1,039,752.09 = 413,933.37 : x
  2. Step 2: Convert to fraction form
    753,443.25/1,039,752.09 = 413,933.37/x
  3. Step 3: Cross multiply
    753,443.25x = 1,039,752.09 × 413,933.37
  4. Step 4: Simplify right side
    753,443.25x = 430,388,086,578.24
  5. Step 5: Solve for x
    x = 430,388,086,578.24/753,443.25
  6. Step 6: Final answer
    x = 571,228.27

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1.5x scale

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.