Home / 1,238,204.89-1,709,085.59-808,551.73

Finding the Fourth Proportional to 1,238,204.89, 1,709,085.59 and 808,551.73

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Solution

The fourth proportional to 1,238,204.89, 1,709,085.59 and 808,551.73 is: 1,116,038.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,204.89 : 1,709,085.59 = 808,551.73 : x
  2. Step 2: Convert to fraction form
    1,238,204.89/1,709,085.59 = 808,551.73/x
  3. Step 3: Cross multiply
    1,238,204.89x = 1,709,085.59 × 808,551.73
  4. Step 4: Simplify right side
    1,238,204.89x = 1,381,884,110,512.57
  5. Step 5: Solve for x
    x = 1,381,884,110,512.57/1,238,204.89
  6. Step 6: Final answer
    x = 1,116,038.32

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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.