Home / 919,245.66-1,268,041.05-551,627.70

Finding the Fourth Proportional to 919,245.66, 1,268,041.05 and 551,627.70

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Solution

The fourth proportional to 919,245.66, 1,268,041.05 and 551,627.70 is: 760,935.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,245.66 : 1,268,041.05 = 551,627.70 : x
  2. Step 2: Convert to fraction form
    919,245.66/1,268,041.05 = 551,627.70/x
  3. Step 3: Cross multiply
    919,245.66x = 1,268,041.05 × 551,627.70
  4. Step 4: Simplify right side
    919,245.66x = 699,486,567,917.09
  5. Step 5: Solve for x
    x = 699,486,567,917.09/919,245.66
  6. Step 6: Final answer
    x = 760,935.40

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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.