Home / 1,693,493.12-2,337,000.71-919,125.33

Finding the Fourth Proportional to 1,693,493.12, 2,337,000.71 and 919,125.33

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Solution

The fourth proportional to 1,693,493.12, 2,337,000.71 and 919,125.33 is: 1,268,382.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,493.12 : 2,337,000.71 = 919,125.33 : x
  2. Step 2: Convert to fraction form
    1,693,493.12/2,337,000.71 = 919,125.33/x
  3. Step 3: Cross multiply
    1,693,493.12x = 2,337,000.71 × 919,125.33
  4. Step 4: Simplify right side
    1,693,493.12x = 2,147,996,540,599.68
  5. Step 5: Solve for x
    x = 2,147,996,540,599.68/1,693,493.12
  6. Step 6: Final answer
    x = 1,268,382.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.