Home / 1,237,384.88-1,707,830.52-806,917.67

Finding the Fourth Proportional to 1,237,384.88, 1,707,830.52 and 806,917.67

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Solution

The fourth proportional to 1,237,384.88, 1,707,830.52 and 806,917.67 is: 1,113,702.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,384.88 : 1,707,830.52 = 806,917.67 : x
  2. Step 2: Convert to fraction form
    1,237,384.88/1,707,830.52 = 806,917.67/x
  3. Step 3: Cross multiply
    1,237,384.88x = 1,707,830.52 × 806,917.67
  4. Step 4: Simplify right side
    1,237,384.88x = 1,378,078,619,918.70
  5. Step 5: Solve for x
    x = 1,378,078,619,918.70/1,237,384.88
  6. Step 6: Final answer
    x = 1,113,702.49

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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.