Home / 746,728.60-1,120,092.90-510,532.60

Finding the Fourth Proportional to 746,728.60, 1,120,092.90 and 510,532.60

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Solution

The fourth proportional to 746,728.60, 1,120,092.90 and 510,532.60 is: 765,798.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,728.60 : 1,120,092.90 = 510,532.60 : x
  2. Step 2: Convert to fraction form
    746,728.60/1,120,092.90 = 510,532.60/x
  3. Step 3: Cross multiply
    746,728.60x = 1,120,092.90 × 510,532.60
  4. Step 4: Simplify right side
    746,728.60x = 571,843,940,478.54
  5. Step 5: Solve for x
    x = 571,843,940,478.54/746,728.60
  6. Step 6: Final answer
    x = 765,798.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.