Home / 939,817.45-1,296,949.55-510,097.76

Finding the Fourth Proportional to 939,817.45, 1,296,949.55 and 510,097.76

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Solution

The fourth proportional to 939,817.45, 1,296,949.55 and 510,097.76 is: 703,935.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,817.45 : 1,296,949.55 = 510,097.76 : x
  2. Step 2: Convert to fraction form
    939,817.45/1,296,949.55 = 510,097.76/x
  3. Step 3: Cross multiply
    939,817.45x = 1,296,949.55 × 510,097.76
  4. Step 4: Simplify right side
    939,817.45x = 661,571,060,288.01
  5. Step 5: Solve for x
    x = 661,571,060,288.01/939,817.45
  6. Step 6: Final answer
    x = 703,935.71

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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.