Home / 951,221.43-1,312,685.26-521,492.33

Finding the Fourth Proportional to 951,221.43, 1,312,685.26 and 521,492.33

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Solution

The fourth proportional to 951,221.43, 1,312,685.26 and 521,492.33 is: 719,659.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,221.43 : 1,312,685.26 = 521,492.33 : x
  2. Step 2: Convert to fraction form
    951,221.43/1,312,685.26 = 521,492.33/x
  3. Step 3: Cross multiply
    951,221.43x = 1,312,685.26 × 521,492.33
  4. Step 4: Simplify right side
    951,221.43x = 684,555,296,772.04
  5. Step 5: Solve for x
    x = 684,555,296,772.04/951,221.43
  6. Step 6: Final answer
    x = 719,659.25

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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.