Home / 656,518.75-906,743.21-441,285.14

Finding the Fourth Proportional to 656,518.75, 906,743.21 and 441,285.14

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Solution

The fourth proportional to 656,518.75, 906,743.21 and 441,285.14 is: 609,475.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,518.75 : 906,743.21 = 441,285.14 : x
  2. Step 2: Convert to fraction form
    656,518.75/906,743.21 = 441,285.14/x
  3. Step 3: Cross multiply
    656,518.75x = 906,743.21 × 441,285.14
  4. Step 4: Simplify right side
    656,518.75x = 400,132,305,670.45
  5. Step 5: Solve for x
    x = 400,132,305,670.45/656,518.75
  6. Step 6: Final answer
    x = 609,475.83

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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.