Home / 919,057.32-1,268,202.34-511,093.12

Finding the Fourth Proportional to 919,057.32, 1,268,202.34 and 511,093.12

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Solution

The fourth proportional to 919,057.32, 1,268,202.34 and 511,093.12 is: 705,254.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,057.32 : 1,268,202.34 = 511,093.12 : x
  2. Step 2: Convert to fraction form
    919,057.32/1,268,202.34 = 511,093.12/x
  3. Step 3: Cross multiply
    919,057.32x = 1,268,202.34 × 511,093.12
  4. Step 4: Simplify right side
    919,057.32x = 648,169,490,741.90
  5. Step 5: Solve for x
    x = 648,169,490,741.90/919,057.32
  6. Step 6: Final answer
    x = 705,254.70

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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.