Home / 1,686,634.45-2,529,951.57-488,557.17

Finding the Fourth Proportional to 1,686,634.45, 2,529,951.57 and 488,557.17

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Solution

The fourth proportional to 1,686,634.45, 2,529,951.57 and 488,557.17 is: 732,835.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,634.45 : 2,529,951.57 = 488,557.17 : x
  2. Step 2: Convert to fraction form
    1,686,634.45/2,529,951.57 = 488,557.17/x
  3. Step 3: Cross multiply
    1,686,634.45x = 2,529,951.57 × 488,557.17
  4. Step 4: Simplify right side
    1,686,634.45x = 1,236,025,979,276.26
  5. Step 5: Solve for x
    x = 1,236,025,979,276.26/1,686,634.45
  6. Step 6: Final answer
    x = 732,835.73

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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.