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Finding the Fourth Proportional to 798,561, 1,101,888.90 and 458,965.80

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Solution

The fourth proportional to 798,561, 1,101,888.90 and 458,965.80 is: 633,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,561 : 1,101,888.90 = 458,965.80 : x
  2. Step 2: Convert to fraction form
    798,561/1,101,888.90 = 458,965.80/x
  3. Step 3: Cross multiply
    798,561x = 1,101,888.90 × 458,965.80
  4. Step 4: Simplify right side
    798,561x = 505,729,320,499.62
  5. Step 5: Solve for x
    x = 505,729,320,499.62/798,561
  6. Step 6: Final answer
    x = 633,300.80

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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.