Home / 935,863.80-1,401,171.30-909,619.80

Finding the Fourth Proportional to 935,863.80, 1,401,171.30 and 909,619.80

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Solution

The fourth proportional to 935,863.80, 1,401,171.30 and 909,619.80 is: 1,361,878.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,863.80 : 1,401,171.30 = 909,619.80 : x
  2. Step 2: Convert to fraction form
    935,863.80/1,401,171.30 = 909,619.80/x
  3. Step 3: Cross multiply
    935,863.80x = 1,401,171.30 × 909,619.80
  4. Step 4: Simplify right side
    935,863.80x = 1,274,533,157,671.74
  5. Step 5: Solve for x
    x = 1,274,533,157,671.74/935,863.80
  6. Step 6: Final answer
    x = 1,361,878.89

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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.