Home / 709,209.45-1,063,814.18-550,579.05

Finding the Fourth Proportional to 709,209.45, 1,063,814.18 and 550,579.05

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Solution

The fourth proportional to 709,209.45, 1,063,814.18 and 550,579.05 is: 825,868.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,209.45 : 1,063,814.18 = 550,579.05 : x
  2. Step 2: Convert to fraction form
    709,209.45/1,063,814.18 = 550,579.05/x
  3. Step 3: Cross multiply
    709,209.45x = 1,063,814.18 × 550,579.05
  4. Step 4: Simplify right side
    709,209.45x = 585,713,797,848.03
  5. Step 5: Solve for x
    x = 585,713,797,848.03/709,209.45
  6. Step 6: Final answer
    x = 825,868.58

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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.