Home / 819,928.80-1,229,893.20-536,493.60

Finding the Fourth Proportional to 819,928.80, 1,229,893.20 and 536,493.60

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Solution

The fourth proportional to 819,928.80, 1,229,893.20 and 536,493.60 is: 804,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,928.80 : 1,229,893.20 = 536,493.60 : x
  2. Step 2: Convert to fraction form
    819,928.80/1,229,893.20 = 536,493.60/x
  3. Step 3: Cross multiply
    819,928.80x = 1,229,893.20 × 536,493.60
  4. Step 4: Simplify right side
    819,928.80x = 659,829,830,483.52
  5. Step 5: Solve for x
    x = 659,829,830,483.52/819,928.80
  6. Step 6: Final answer
    x = 804,740.40

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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.