Home / 951,210.82-1,312,670.58-521,481.73

Finding the Fourth Proportional to 951,210.82, 1,312,670.58 and 521,481.73

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Solution

The fourth proportional to 951,210.82, 1,312,670.58 and 521,481.73 is: 719,644.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,210.82 : 1,312,670.58 = 521,481.73 : x
  2. Step 2: Convert to fraction form
    951,210.82/1,312,670.58 = 521,481.73/x
  3. Step 3: Cross multiply
    951,210.82x = 1,312,670.58 × 521,481.73
  4. Step 4: Simplify right side
    951,210.82x = 684,533,724,978.50
  5. Step 5: Solve for x
    x = 684,533,724,978.50/951,210.82
  6. Step 6: Final answer
    x = 719,644.59

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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.