Home / 950,990.22-1,426,146.35-311,139.63

Finding the Fourth Proportional to 950,990.22, 1,426,146.35 and 311,139.63

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Solution

The fourth proportional to 950,990.22, 1,426,146.35 and 311,139.63 is: 466,598.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,990.22 : 1,426,146.35 = 311,139.63 : x
  2. Step 2: Convert to fraction form
    950,990.22/1,426,146.35 = 311,139.63/x
  3. Step 3: Cross multiply
    950,990.22x = 1,426,146.35 × 311,139.63
  4. Step 4: Simplify right side
    950,990.22x = 443,730,646,109.15
  5. Step 5: Solve for x
    x = 443,730,646,109.15/950,990.22
  6. Step 6: Final answer
    x = 466,598.54

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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.