Home / 945,873.60-1,416,477.60-628,612.80

Finding the Fourth Proportional to 945,873.60, 1,416,477.60 and 628,612.80

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Solution

The fourth proportional to 945,873.60, 1,416,477.60 and 628,612.80 is: 941,368.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,873.60 : 1,416,477.60 = 628,612.80 : x
  2. Step 2: Convert to fraction form
    945,873.60/1,416,477.60 = 628,612.80/x
  3. Step 3: Cross multiply
    945,873.60x = 1,416,477.60 × 628,612.80
  4. Step 4: Simplify right side
    945,873.60x = 890,415,950,273.28
  5. Step 5: Solve for x
    x = 890,415,950,273.28/945,873.60
  6. Step 6: Final answer
    x = 941,368.86

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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.