Home / 1,690,528.44-2,332,196.15-1,118,365.50

Finding the Fourth Proportional to 1,690,528.44, 2,332,196.15 and 1,118,365.50

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Solution

The fourth proportional to 1,690,528.44, 2,332,196.15 and 1,118,365.50 is: 1,542,859.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,528.44 : 2,332,196.15 = 1,118,365.50 : x
  2. Step 2: Convert to fraction form
    1,690,528.44/2,332,196.15 = 1,118,365.50/x
  3. Step 3: Cross multiply
    1,690,528.44x = 2,332,196.15 × 1,118,365.50
  4. Step 4: Simplify right side
    1,690,528.44x = 2,608,247,713,392.82
  5. Step 5: Solve for x
    x = 2,608,247,713,392.82/1,690,528.44
  6. Step 6: Final answer
    x = 1,542,859.41

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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.