Home / 395,320.06-545,535.07-214,030.52

Finding the Fourth Proportional to 395,320.06, 545,535.07 and 214,030.52

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Solution

The fourth proportional to 395,320.06, 545,535.07 and 214,030.52 is: 295,358.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,320.06 : 545,535.07 = 214,030.52 : x
  2. Step 2: Convert to fraction form
    395,320.06/545,535.07 = 214,030.52/x
  3. Step 3: Cross multiply
    395,320.06x = 545,535.07 × 214,030.52
  4. Step 4: Simplify right side
    395,320.06x = 116,761,154,710.34
  5. Step 5: Solve for x
    x = 116,761,154,710.34/395,320.06
  6. Step 6: Final answer
    x = 295,358.54

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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.