Home / 919,498.08-1,268,882.64-511,600.44

Finding the Fourth Proportional to 919,498.08, 1,268,882.64 and 511,600.44

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Solution

The fourth proportional to 919,498.08, 1,268,882.64 and 511,600.44 is: 705,994.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,498.08 : 1,268,882.64 = 511,600.44 : x
  2. Step 2: Convert to fraction form
    919,498.08/1,268,882.64 = 511,600.44/x
  3. Step 3: Cross multiply
    919,498.08x = 1,268,882.64 × 511,600.44
  4. Step 4: Simplify right side
    919,498.08x = 649,160,916,932.36
  5. Step 5: Solve for x
    x = 649,160,916,932.36/919,498.08
  6. Step 6: Final answer
    x = 705,994.86

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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.