Home / 788,241.44-1,087,383.48-465,795.56

Finding the Fourth Proportional to 788,241.44, 1,087,383.48 and 465,795.56

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Solution

The fourth proportional to 788,241.44, 1,087,383.48 and 465,795.56 is: 642,567.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,241.44 : 1,087,383.48 = 465,795.56 : x
  2. Step 2: Convert to fraction form
    788,241.44/1,087,383.48 = 465,795.56/x
  3. Step 3: Cross multiply
    788,241.44x = 1,087,383.48 × 465,795.56
  4. Step 4: Simplify right side
    788,241.44x = 506,498,397,001.35
  5. Step 5: Solve for x
    x = 506,498,397,001.35/788,241.44
  6. Step 6: Final answer
    x = 642,567.58

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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.