Home / 536,790.43-740,780-295,083.19

Finding the Fourth Proportional to 536,790.43, 740,780 and 295,083.19

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Solution

The fourth proportional to 536,790.43, 740,780 and 295,083.19 is: 407,219.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,790.43 : 740,780 = 295,083.19 : x
  2. Step 2: Convert to fraction form
    536,790.43/740,780 = 295,083.19/x
  3. Step 3: Cross multiply
    536,790.43x = 740,780 × 295,083.19
  4. Step 4: Simplify right side
    536,790.43x = 218,591,725,488.20
  5. Step 5: Solve for x
    x = 218,591,725,488.20/536,790.43
  6. Step 6: Final answer
    x = 407,219.86

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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.