Home / 863,972.29-1,296,536.89-358,533.76

Finding the Fourth Proportional to 863,972.29, 1,296,536.89 and 358,533.76

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Solution

The fourth proportional to 863,972.29, 1,296,536.89 and 358,533.76 is: 538,040.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,972.29 : 1,296,536.89 = 358,533.76 : x
  2. Step 2: Convert to fraction form
    863,972.29/1,296,536.89 = 358,533.76/x
  3. Step 3: Cross multiply
    863,972.29x = 1,296,536.89 × 358,533.76
  4. Step 4: Simplify right side
    863,972.29x = 464,852,238,771.39
  5. Step 5: Solve for x
    x = 464,852,238,771.39/863,972.29
  6. Step 6: Final answer
    x = 538,040.68

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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.