Home / 939,311.83-1,296,250.80-509,591.85

Finding the Fourth Proportional to 939,311.83, 1,296,250.80 and 509,591.85

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Solution

The fourth proportional to 939,311.83, 1,296,250.80 and 509,591.85 is: 703,237.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,311.83 : 1,296,250.80 = 509,591.85 : x
  2. Step 2: Convert to fraction form
    939,311.83/1,296,250.80 = 509,591.85/x
  3. Step 3: Cross multiply
    939,311.83x = 1,296,250.80 × 509,591.85
  4. Step 4: Simplify right side
    939,311.83x = 660,558,843,235.98
  5. Step 5: Solve for x
    x = 660,558,843,235.98/939,311.83
  6. Step 6: Final answer
    x = 703,237.01

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1.5x scale

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.