Home / 1,213,447.60-1,820,171.40-616,250.80

Finding the Fourth Proportional to 1,213,447.60, 1,820,171.40 and 616,250.80

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Solution

The fourth proportional to 1,213,447.60, 1,820,171.40 and 616,250.80 is: 924,376.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,447.60 : 1,820,171.40 = 616,250.80 : x
  2. Step 2: Convert to fraction form
    1,213,447.60/1,820,171.40 = 616,250.80/x
  3. Step 3: Cross multiply
    1,213,447.60x = 1,820,171.40 × 616,250.80
  4. Step 4: Simplify right side
    1,213,447.60x = 1,121,682,081,387.12
  5. Step 5: Solve for x
    x = 1,121,682,081,387.12/1,213,447.60
  6. Step 6: Final answer
    x = 924,376.20

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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.