Home / 949,262.22-1,423,899-388,296.72

Finding the Fourth Proportional to 949,262.22, 1,423,899 and 388,296.72

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Solution

The fourth proportional to 949,262.22, 1,423,899 and 388,296.72 is: 582,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,262.22 : 1,423,899 = 388,296.72 : x
  2. Step 2: Convert to fraction form
    949,262.22/1,423,899 = 388,296.72/x
  3. Step 3: Cross multiply
    949,262.22x = 1,423,899 × 388,296.72
  4. Step 4: Simplify right side
    949,262.22x = 552,895,311,311.28
  5. Step 5: Solve for x
    x = 552,895,311,311.28/949,262.22
  6. Step 6: Final answer
    x = 582,447.40

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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.