Home / 746,352.60-1,029,968.16-488,406.48

Finding the Fourth Proportional to 746,352.60, 1,029,968.16 and 488,406.48

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Solution

The fourth proportional to 746,352.60, 1,029,968.16 and 488,406.48 is: 674,001.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,352.60 : 1,029,968.16 = 488,406.48 : x
  2. Step 2: Convert to fraction form
    746,352.60/1,029,968.16 = 488,406.48/x
  3. Step 3: Cross multiply
    746,352.60x = 1,029,968.16 × 488,406.48
  4. Step 4: Simplify right side
    746,352.60x = 503,043,123,537.68
  5. Step 5: Solve for x
    x = 503,043,123,537.68/746,352.60
  6. Step 6: Final answer
    x = 674,001.97

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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.