Home / 1,238,203.89-1,709,084.21-808,550.73

Finding the Fourth Proportional to 1,238,203.89, 1,709,084.21 and 808,550.73

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Solution

The fourth proportional to 1,238,203.89, 1,709,084.21 and 808,550.73 is: 1,116,036.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,203.89 : 1,709,084.21 = 808,550.73 : x
  2. Step 2: Convert to fraction form
    1,238,203.89/1,709,084.21 = 808,550.73/x
  3. Step 3: Cross multiply
    1,238,203.89x = 1,709,084.21 × 808,550.73
  4. Step 4: Simplify right side
    1,238,203.89x = 1,381,881,281,584.22
  5. Step 5: Solve for x
    x = 1,381,881,281,584.22/1,238,203.89
  6. Step 6: Final answer
    x = 1,116,036.94

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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.