Home / 939,742.34-1,296,833.64-510,022.76

Finding the Fourth Proportional to 939,742.34, 1,296,833.64 and 510,022.76

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Solution

The fourth proportional to 939,742.34, 1,296,833.64 and 510,022.76 is: 703,825.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,742.34 : 1,296,833.64 = 510,022.76 : x
  2. Step 2: Convert to fraction form
    939,742.34/1,296,833.64 = 510,022.76/x
  3. Step 3: Cross multiply
    939,742.34x = 1,296,833.64 × 510,022.76
  4. Step 4: Simplify right side
    939,742.34x = 661,414,672,333.65
  5. Step 5: Solve for x
    x = 661,414,672,333.65/939,742.34
  6. Step 6: Final answer
    x = 703,825.55

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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.