Home / 692,935.88-1,039,403.85-260,734.61

Finding the Fourth Proportional to 692,935.88, 1,039,403.85 and 260,734.61

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Solution

The fourth proportional to 692,935.88, 1,039,403.85 and 260,734.61 is: 391,101.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,935.88 : 1,039,403.85 = 260,734.61 : x
  2. Step 2: Convert to fraction form
    692,935.88/1,039,403.85 = 260,734.61/x
  3. Step 3: Cross multiply
    692,935.88x = 1,039,403.85 × 260,734.61
  4. Step 4: Simplify right side
    692,935.88x = 271,008,559,083.00
  5. Step 5: Solve for x
    x = 271,008,559,083.00/692,935.88
  6. Step 6: Final answer
    x = 391,101.93

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1.5x scale

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.