Home / 706,320.67-1,059,457.26-306,961.49

Finding the Fourth Proportional to 706,320.67, 1,059,457.26 and 306,961.49

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Solution

The fourth proportional to 706,320.67, 1,059,457.26 and 306,961.49 is: 460,431.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,320.67 : 1,059,457.26 = 306,961.49 : x
  2. Step 2: Convert to fraction form
    706,320.67/1,059,457.26 = 306,961.49/x
  3. Step 3: Cross multiply
    706,320.67x = 1,059,457.26 × 306,961.49
  4. Step 4: Simplify right side
    706,320.67x = 325,212,579,120.92
  5. Step 5: Solve for x
    x = 325,212,579,120.92/706,320.67
  6. Step 6: Final answer
    x = 460,431.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.