Home / 951,211.82-1,312,671.96-521,482.73

Finding the Fourth Proportional to 951,211.82, 1,312,671.96 and 521,482.73

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Solution

The fourth proportional to 951,211.82, 1,312,671.96 and 521,482.73 is: 719,645.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,211.82 : 1,312,671.96 = 521,482.73 : x
  2. Step 2: Convert to fraction form
    951,211.82/1,312,671.96 = 521,482.73/x
  3. Step 3: Cross multiply
    951,211.82x = 1,312,671.96 × 521,482.73
  4. Step 4: Simplify right side
    951,211.82x = 684,535,757,295.25
  5. Step 5: Solve for x
    x = 684,535,757,295.25/951,211.82
  6. Step 6: Final answer
    x = 719,645.97

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Double scale
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1.5x scale

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.