Home / 919,873.02-1,269,414.27-511,967.82

Finding the Fourth Proportional to 919,873.02, 1,269,414.27 and 511,967.82

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Solution

The fourth proportional to 919,873.02, 1,269,414.27 and 511,967.82 is: 706,509.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,873.02 : 1,269,414.27 = 511,967.82 : x
  2. Step 2: Convert to fraction form
    919,873.02/1,269,414.27 = 511,967.82/x
  3. Step 3: Cross multiply
    919,873.02x = 1,269,414.27 × 511,967.82
  4. Step 4: Simplify right side
    919,873.02x = 649,899,256,488.79
  5. Step 5: Solve for x
    x = 649,899,256,488.79/919,873.02
  6. Step 6: Final answer
    x = 706,509.75

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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.