Home / 951,222.97-1,312,652.86-521,493.67

Finding the Fourth Proportional to 951,222.97, 1,312,652.86 and 521,493.67

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Solution

The fourth proportional to 951,222.97, 1,312,652.86 and 521,493.67 is: 719,642.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,222.97 : 1,312,652.86 = 521,493.67 : x
  2. Step 2: Convert to fraction form
    951,222.97/1,312,652.86 = 521,493.67/x
  3. Step 3: Cross multiply
    951,222.97x = 1,312,652.86 × 521,493.67
  4. Step 4: Simplify right side
    951,222.97x = 684,540,157,397.40
  5. Step 5: Solve for x
    x = 684,540,157,397.40/951,222.97
  6. Step 6: Final answer
    x = 719,642.16

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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.