Home / 833,231.37-1,249,905.78-412,394.25

Finding the Fourth Proportional to 833,231.37, 1,249,905.78 and 412,394.25

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Solution

The fourth proportional to 833,231.37, 1,249,905.78 and 412,394.25 is: 618,620.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,231.37 : 1,249,905.78 = 412,394.25 : x
  2. Step 2: Convert to fraction form
    833,231.37/1,249,905.78 = 412,394.25/x
  3. Step 3: Cross multiply
    833,231.37x = 1,249,905.78 × 412,394.25
  4. Step 4: Simplify right side
    833,231.37x = 515,453,956,713.77
  5. Step 5: Solve for x
    x = 515,453,956,713.77/833,231.37
  6. Step 6: Final answer
    x = 618,620.44

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1.5x scale

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.