Home / 943,630.80-1,415,446.20-733,419.60

Finding the Fourth Proportional to 943,630.80, 1,415,446.20 and 733,419.60

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Solution

The fourth proportional to 943,630.80, 1,415,446.20 and 733,419.60 is: 1,100,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,630.80 : 1,415,446.20 = 733,419.60 : x
  2. Step 2: Convert to fraction form
    943,630.80/1,415,446.20 = 733,419.60/x
  3. Step 3: Cross multiply
    943,630.80x = 1,415,446.20 × 733,419.60
  4. Step 4: Simplify right side
    943,630.80x = 1,038,115,985,825.52
  5. Step 5: Solve for x
    x = 1,038,115,985,825.52/943,630.80
  6. Step 6: Final answer
    x = 1,100,129.40

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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.