Home / 951,091.29-1,312,924.86-665,731.53

Finding the Fourth Proportional to 951,091.29, 1,312,924.86 and 665,731.53

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Solution

The fourth proportional to 951,091.29, 1,312,924.86 and 665,731.53 is: 919,002.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,091.29 : 1,312,924.86 = 665,731.53 : x
  2. Step 2: Convert to fraction form
    951,091.29/1,312,924.86 = 665,731.53/x
  3. Step 3: Cross multiply
    951,091.29x = 1,312,924.86 × 665,731.53
  4. Step 4: Simplify right side
    951,091.29x = 874,055,475,822.84
  5. Step 5: Solve for x
    x = 874,055,475,822.84/951,091.29
  6. Step 6: Final answer
    x = 919,002.71

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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.