Home / 662,961.30-995,309.19-393,581.22

Finding the Fourth Proportional to 662,961.30, 995,309.19 and 393,581.22

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Solution

The fourth proportional to 662,961.30, 995,309.19 and 393,581.22 is: 590,886.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,961.30 : 995,309.19 = 393,581.22 : x
  2. Step 2: Convert to fraction form
    662,961.30/995,309.19 = 393,581.22/x
  3. Step 3: Cross multiply
    662,961.30x = 995,309.19 × 393,581.22
  4. Step 4: Simplify right side
    662,961.30x = 391,735,005,277.41
  5. Step 5: Solve for x
    x = 391,735,005,277.41/662,961.30
  6. Step 6: Final answer
    x = 590,886.69

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1.5x scale

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.