Home / 862,691.52-1,190,519.01-500,330.22

Finding the Fourth Proportional to 862,691.52, 1,190,519.01 and 500,330.22

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Solution

The fourth proportional to 862,691.52, 1,190,519.01 and 500,330.22 is: 690,458.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,691.52 : 1,190,519.01 = 500,330.22 : x
  2. Step 2: Convert to fraction form
    862,691.52/1,190,519.01 = 500,330.22/x
  3. Step 3: Cross multiply
    862,691.52x = 1,190,519.01 × 500,330.22
  4. Step 4: Simplify right side
    862,691.52x = 595,652,638,187.48
  5. Step 5: Solve for x
    x = 595,652,638,187.48/862,691.52
  6. Step 6: Final answer
    x = 690,458.44

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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.