Home / 851,695.96-1,274,886.64-627,309.76

Finding the Fourth Proportional to 851,695.96, 1,274,886.64 and 627,309.76

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Solution

The fourth proportional to 851,695.96, 1,274,886.64 and 627,309.76 is: 939,007.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,695.96 : 1,274,886.64 = 627,309.76 : x
  2. Step 2: Convert to fraction form
    851,695.96/1,274,886.64 = 627,309.76/x
  3. Step 3: Cross multiply
    851,695.96x = 1,274,886.64 × 627,309.76
  4. Step 4: Simplify right side
    851,695.96x = 799,748,832,165.61
  5. Step 5: Solve for x
    x = 799,748,832,165.61/851,695.96
  6. Step 6: Final answer
    x = 939,007.43

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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.