Home / 1,259,161.77-1,737,592.65-686,189.64

Finding the Fourth Proportional to 1,259,161.77, 1,737,592.65 and 686,189.64

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Solution

The fourth proportional to 1,259,161.77, 1,737,592.65 and 686,189.64 is: 946,914.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,161.77 : 1,737,592.65 = 686,189.64 : x
  2. Step 2: Convert to fraction form
    1,259,161.77/1,737,592.65 = 686,189.64/x
  3. Step 3: Cross multiply
    1,259,161.77x = 1,737,592.65 × 686,189.64
  4. Step 4: Simplify right side
    1,259,161.77x = 1,192,318,074,970.15
  5. Step 5: Solve for x
    x = 1,192,318,074,970.15/1,259,161.77
  6. Step 6: Final answer
    x = 946,914.13

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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.