Home / 951,223.56-1,312,688.19-521,494.46

Finding the Fourth Proportional to 951,223.56, 1,312,688.19 and 521,494.46

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Solution

The fourth proportional to 951,223.56, 1,312,688.19 and 521,494.46 is: 719,662.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,223.56 : 1,312,688.19 = 521,494.46 : x
  2. Step 2: Convert to fraction form
    951,223.56/1,312,688.19 = 521,494.46/x
  3. Step 3: Cross multiply
    951,223.56x = 1,312,688.19 × 521,494.46
  4. Step 4: Simplify right side
    951,223.56x = 684,559,618,792.43
  5. Step 5: Solve for x
    x = 684,559,618,792.43/951,223.56
  6. Step 6: Final answer
    x = 719,662.18

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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.