Home / 744,284.22-1,027,088.20-422,023.02

Finding the Fourth Proportional to 744,284.22, 1,027,088.20 and 422,023.02

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Solution

The fourth proportional to 744,284.22, 1,027,088.20 and 422,023.02 is: 582,378.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,284.22 : 1,027,088.20 = 422,023.02 : x
  2. Step 2: Convert to fraction form
    744,284.22/1,027,088.20 = 422,023.02/x
  3. Step 3: Cross multiply
    744,284.22x = 1,027,088.20 × 422,023.02
  4. Step 4: Simplify right side
    744,284.22x = 433,454,863,970.36
  5. Step 5: Solve for x
    x = 433,454,863,970.36/744,284.22
  6. Step 6: Final answer
    x = 582,378.15

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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.