Home / 807,336.60-1,209,968.10-619,416.60

Finding the Fourth Proportional to 807,336.60, 1,209,968.10 and 619,416.60

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Solution

The fourth proportional to 807,336.60, 1,209,968.10 and 619,416.60 is: 928,329.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,336.60 : 1,209,968.10 = 619,416.60 : x
  2. Step 2: Convert to fraction form
    807,336.60/1,209,968.10 = 619,416.60/x
  3. Step 3: Cross multiply
    807,336.60x = 1,209,968.10 × 619,416.60
  4. Step 4: Simplify right side
    807,336.60x = 749,474,326,610.46
  5. Step 5: Solve for x
    x = 749,474,326,610.46/807,336.60
  6. Step 6: Final answer
    x = 928,329.43

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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.