Home / 838,569.29-1,255,491.84-753,538.73

Finding the Fourth Proportional to 838,569.29, 1,255,491.84 and 753,538.73

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Solution

The fourth proportional to 838,569.29, 1,255,491.84 and 753,538.73 is: 1,128,185.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,569.29 : 1,255,491.84 = 753,538.73 : x
  2. Step 2: Convert to fraction form
    838,569.29/1,255,491.84 = 753,538.73/x
  3. Step 3: Cross multiply
    838,569.29x = 1,255,491.84 × 753,538.73
  4. Step 4: Simplify right side
    838,569.29x = 946,061,726,638.96
  5. Step 5: Solve for x
    x = 946,061,726,638.96/838,569.29
  6. Step 6: Final answer
    x = 1,128,185.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.