Home / 1,693,709.43-2,337,309.05-919,355.64

Finding the Fourth Proportional to 1,693,709.43, 2,337,309.05 and 919,355.64

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Solution

The fourth proportional to 1,693,709.43, 2,337,309.05 and 919,355.64 is: 1,268,705.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,709.43 : 2,337,309.05 = 919,355.64 : x
  2. Step 2: Convert to fraction form
    1,693,709.43/2,337,309.05 = 919,355.64/x
  3. Step 3: Cross multiply
    1,693,709.43x = 2,337,309.05 × 919,355.64
  4. Step 4: Simplify right side
    1,693,709.43x = 2,148,818,252,943.76
  5. Step 5: Solve for x
    x = 2,148,818,252,943.76/1,693,709.43
  6. Step 6: Final answer
    x = 1,268,705.37

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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.