Home / 781,180.16-1,078,046.88-441,668.48

Finding the Fourth Proportional to 781,180.16, 1,078,046.88 and 441,668.48

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Solution

The fourth proportional to 781,180.16, 1,078,046.88 and 441,668.48 is: 609,512.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,180.16 : 1,078,046.88 = 441,668.48 : x
  2. Step 2: Convert to fraction form
    781,180.16/1,078,046.88 = 441,668.48/x
  3. Step 3: Cross multiply
    781,180.16x = 1,078,046.88 × 441,668.48
  4. Step 4: Simplify right side
    781,180.16x = 476,139,326,858.34
  5. Step 5: Solve for x
    x = 476,139,326,858.34/781,180.16
  6. Step 6: Final answer
    x = 609,512.83

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1.5x scale

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.