Home / 686,670.60-1,027,932.30-603,726.60

Finding the Fourth Proportional to 686,670.60, 1,027,932.30 and 603,726.60

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Solution

The fourth proportional to 686,670.60, 1,027,932.30 and 603,726.60 is: 903,766.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,670.60 : 1,027,932.30 = 603,726.60 : x
  2. Step 2: Convert to fraction form
    686,670.60/1,027,932.30 = 603,726.60/x
  3. Step 3: Cross multiply
    686,670.60x = 1,027,932.30 × 603,726.60
  4. Step 4: Simplify right side
    686,670.60x = 620,590,072,509.18
  5. Step 5: Solve for x
    x = 620,590,072,509.18/686,670.60
  6. Step 6: Final answer
    x = 903,766.77

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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.