Home / 1,693,600.12-2,337,138.83-919,214.34

Finding the Fourth Proportional to 1,693,600.12, 2,337,138.83 and 919,214.34

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Solution

The fourth proportional to 1,693,600.12, 2,337,138.83 and 919,214.34 is: 1,268,499.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,600.12 : 2,337,138.83 = 919,214.34 : x
  2. Step 2: Convert to fraction form
    1,693,600.12/2,337,138.83 = 919,214.34/x
  3. Step 3: Cross multiply
    1,693,600.12x = 2,337,138.83 × 919,214.34
  4. Step 4: Simplify right side
    1,693,600.12x = 2,148,331,523,483.45
  5. Step 5: Solve for x
    x = 2,148,331,523,483.45/1,693,600.12
  6. Step 6: Final answer
    x = 1,268,499.87

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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.