Home / 1,259,194.95-1,737,690.32-686,235.57

Finding the Fourth Proportional to 1,259,194.95, 1,737,690.32 and 686,235.57

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Solution

The fourth proportional to 1,259,194.95, 1,737,690.32 and 686,235.57 is: 947,005.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,194.95 : 1,737,690.32 = 686,235.57 : x
  2. Step 2: Convert to fraction form
    1,259,194.95/1,737,690.32 = 686,235.57/x
  3. Step 3: Cross multiply
    1,259,194.95x = 1,737,690.32 × 686,235.57
  4. Step 4: Simplify right side
    1,259,194.95x = 1,192,464,903,797.50
  5. Step 5: Solve for x
    x = 1,192,464,903,797.50/1,259,194.95
  6. Step 6: Final answer
    x = 947,005.79

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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.