Home / 939,567.66-1,296,606.81-509,847.78

Finding the Fourth Proportional to 939,567.66, 1,296,606.81 and 509,847.78

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Solution

The fourth proportional to 939,567.66, 1,296,606.81 and 509,847.78 is: 703,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,567.66 : 1,296,606.81 = 509,847.78 : x
  2. Step 2: Convert to fraction form
    939,567.66/1,296,606.81 = 509,847.78/x
  3. Step 3: Cross multiply
    939,567.66x = 1,296,606.81 × 509,847.78
  4. Step 4: Simplify right side
    939,567.66x = 661,072,103,611.38
  5. Step 5: Solve for x
    x = 661,072,103,611.38/939,567.66
  6. Step 6: Final answer
    x = 703,591.80

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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.