Home / 919,235.60-1,268,026.96-551,617.60

Finding the Fourth Proportional to 919,235.60, 1,268,026.96 and 551,617.60

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Solution

The fourth proportional to 919,235.60, 1,268,026.96 and 551,617.60 is: 760,921.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,235.60 : 1,268,026.96 = 551,617.60 : x
  2. Step 2: Convert to fraction form
    919,235.60/1,268,026.96 = 551,617.60/x
  3. Step 3: Cross multiply
    919,235.60x = 1,268,026.96 × 551,617.60
  4. Step 4: Simplify right side
    919,235.60x = 699,465,988,410.50
  5. Step 5: Solve for x
    x = 699,465,988,410.50/919,235.60
  6. Step 6: Final answer
    x = 760,921.34

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Double scale
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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.