Home / 939,933.80-1,409,900.70-837,582.20

Finding the Fourth Proportional to 939,933.80, 1,409,900.70 and 837,582.20

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Solution

The fourth proportional to 939,933.80, 1,409,900.70 and 837,582.20 is: 1,256,373.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,933.80 : 1,409,900.70 = 837,582.20 : x
  2. Step 2: Convert to fraction form
    939,933.80/1,409,900.70 = 837,582.20/x
  3. Step 3: Cross multiply
    939,933.80x = 1,409,900.70 × 837,582.20
  4. Step 4: Simplify right side
    939,933.80x = 1,180,907,730,087.54
  5. Step 5: Solve for x
    x = 1,180,907,730,087.54/939,933.80
  6. Step 6: Final answer
    x = 1,256,373.30

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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.