Home / 753,756.25-1,040,187.63-409,594.90

Finding the Fourth Proportional to 753,756.25, 1,040,187.63 and 409,594.90

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Solution

The fourth proportional to 753,756.25, 1,040,187.63 and 409,594.90 is: 565,243.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,756.25 : 1,040,187.63 = 409,594.90 : x
  2. Step 2: Convert to fraction form
    753,756.25/1,040,187.63 = 409,594.90/x
  3. Step 3: Cross multiply
    753,756.25x = 1,040,187.63 × 409,594.90
  4. Step 4: Simplify right side
    753,756.25x = 426,055,548,291.09
  5. Step 5: Solve for x
    x = 426,055,548,291.09/753,756.25
  6. Step 6: Final answer
    x = 565,243.14

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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.