Home / 1,690,536.45-2,332,935.48-926,587.65

Finding the Fourth Proportional to 1,690,536.45, 2,332,935.48 and 926,587.65

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Solution

The fourth proportional to 1,690,536.45, 2,332,935.48 and 926,587.65 is: 1,278,688.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,536.45 : 2,332,935.48 = 926,587.65 : x
  2. Step 2: Convert to fraction form
    1,690,536.45/2,332,935.48 = 926,587.65/x
  3. Step 3: Cross multiply
    1,690,536.45x = 2,332,935.48 × 926,587.65
  4. Step 4: Simplify right side
    1,690,536.45x = 2,161,669,204,014.82
  5. Step 5: Solve for x
    x = 2,161,669,204,014.82/1,690,536.45
  6. Step 6: Final answer
    x = 1,278,688.31

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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.