Home / 862,233.82-1,189,883.86-469,764.82

Finding the Fourth Proportional to 862,233.82, 1,189,883.86 and 469,764.82

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Solution

The fourth proportional to 862,233.82, 1,189,883.86 and 469,764.82 is: 648,276.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,233.82 : 1,189,883.86 = 469,764.82 : x
  2. Step 2: Convert to fraction form
    862,233.82/1,189,883.86 = 469,764.82/x
  3. Step 3: Cross multiply
    862,233.82x = 1,189,883.86 × 469,764.82
  4. Step 4: Simplify right side
    862,233.82x = 558,965,577,313.81
  5. Step 5: Solve for x
    x = 558,965,577,313.81/862,233.82
  6. Step 6: Final answer
    x = 648,276.10

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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.