Home / 672,422.40-1,008,633.60-251,643.60

Finding the Fourth Proportional to 672,422.40, 1,008,633.60 and 251,643.60

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Solution

The fourth proportional to 672,422.40, 1,008,633.60 and 251,643.60 is: 377,465.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,422.40 : 1,008,633.60 = 251,643.60 : x
  2. Step 2: Convert to fraction form
    672,422.40/1,008,633.60 = 251,643.60/x
  3. Step 3: Cross multiply
    672,422.40x = 1,008,633.60 × 251,643.60
  4. Step 4: Simplify right side
    672,422.40x = 253,816,190,184.96
  5. Step 5: Solve for x
    x = 253,816,190,184.96/672,422.40
  6. Step 6: Final answer
    x = 377,465.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.