Home / 1,259,138.34-1,737,560.34-686,166.18

Finding the Fourth Proportional to 1,259,138.34, 1,737,560.34 and 686,166.18

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Solution

The fourth proportional to 1,259,138.34, 1,737,560.34 and 686,166.18 is: 946,881.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,138.34 : 1,737,560.34 = 686,166.18 : x
  2. Step 2: Convert to fraction form
    1,259,138.34/1,737,560.34 = 686,166.18/x
  3. Step 3: Cross multiply
    1,259,138.34x = 1,737,560.34 × 686,166.18
  4. Step 4: Simplify right side
    1,259,138.34x = 1,192,255,141,017.30
  5. Step 5: Solve for x
    x = 1,192,255,141,017.30/1,259,138.34
  6. Step 6: Final answer
    x = 946,881.77

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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.