Home / 919,939.22-1,268,978.05-597,863.84

Finding the Fourth Proportional to 919,939.22, 1,268,978.05 and 597,863.84

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Solution

The fourth proportional to 919,939.22, 1,268,978.05 and 597,863.84 is: 824,702.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,939.22 : 1,268,978.05 = 597,863.84 : x
  2. Step 2: Convert to fraction form
    919,939.22/1,268,978.05 = 597,863.84/x
  3. Step 3: Cross multiply
    919,939.22x = 1,268,978.05 × 597,863.84
  4. Step 4: Simplify right side
    919,939.22x = 758,676,080,888.17
  5. Step 5: Solve for x
    x = 758,676,080,888.17/919,939.22
  6. Step 6: Final answer
    x = 824,702.39

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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.