Home / 791,042.64-1,091,449.86-468,697.02

Finding the Fourth Proportional to 791,042.64, 1,091,449.86 and 468,697.02

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Solution

The fourth proportional to 791,042.64, 1,091,449.86 and 468,697.02 is: 646,689.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,042.64 : 1,091,449.86 = 468,697.02 : x
  2. Step 2: Convert to fraction form
    791,042.64/1,091,449.86 = 468,697.02/x
  3. Step 3: Cross multiply
    791,042.64x = 1,091,449.86 × 468,697.02
  4. Step 4: Simplify right side
    791,042.64x = 511,559,296,861.42
  5. Step 5: Solve for x
    x = 511,559,296,861.42/791,042.64
  6. Step 6: Final answer
    x = 646,689.91

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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.