Home / 656,519.25-906,743.90-441,285.65

Finding the Fourth Proportional to 656,519.25, 906,743.90 and 441,285.65

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Solution

The fourth proportional to 656,519.25, 906,743.90 and 441,285.65 is: 609,476.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,519.25 : 906,743.90 = 441,285.65 : x
  2. Step 2: Convert to fraction form
    656,519.25/906,743.90 = 441,285.65/x
  3. Step 3: Cross multiply
    656,519.25x = 906,743.90 × 441,285.65
  4. Step 4: Simplify right side
    656,519.25x = 400,133,066,761.32
  5. Step 5: Solve for x
    x = 400,133,066,761.32/656,519.25
  6. Step 6: Final answer
    x = 609,476.52

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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.