Home / 395,320.31-545,535.41-214,030.77

Finding the Fourth Proportional to 395,320.31, 545,535.41 and 214,030.77

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Solution

The fourth proportional to 395,320.31, 545,535.41 and 214,030.77 is: 295,358.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,320.31 : 545,535.41 = 214,030.77 : x
  2. Step 2: Convert to fraction form
    395,320.31/545,535.41 = 214,030.77/x
  3. Step 3: Cross multiply
    395,320.31x = 545,535.41 × 214,030.77
  4. Step 4: Simplify right side
    395,320.31x = 116,761,363,864.57
  5. Step 5: Solve for x
    x = 116,761,363,864.57/395,320.31
  6. Step 6: Final answer
    x = 295,358.88

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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.