Home / 843,943.20-1,265,039.96-527,673.84

Finding the Fourth Proportional to 843,943.20, 1,265,039.96 and 527,673.84

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Solution

The fourth proportional to 843,943.20, 1,265,039.96 and 527,673.84 is: 790,963.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,943.20 : 1,265,039.96 = 527,673.84 : x
  2. Step 2: Convert to fraction form
    843,943.20/1,265,039.96 = 527,673.84/x
  3. Step 3: Cross multiply
    843,943.20x = 1,265,039.96 × 527,673.84
  4. Step 4: Simplify right side
    843,943.20x = 667,528,493,446.65
  5. Step 5: Solve for x
    x = 667,528,493,446.65/843,943.20
  6. Step 6: Final answer
    x = 790,963.77

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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.