Home / 985,753.08-1,359,428.94-622,544.76

Finding the Fourth Proportional to 985,753.08, 1,359,428.94 and 622,544.76

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Solution

The fourth proportional to 985,753.08, 1,359,428.94 and 622,544.76 is: 858,536.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,753.08 : 1,359,428.94 = 622,544.76 : x
  2. Step 2: Convert to fraction form
    985,753.08/1,359,428.94 = 622,544.76/x
  3. Step 3: Cross multiply
    985,753.08x = 1,359,428.94 × 622,544.76
  4. Step 4: Simplify right side
    985,753.08x = 846,305,363,189.35
  5. Step 5: Solve for x
    x = 846,305,363,189.35/985,753.08
  6. Step 6: Final answer
    x = 858,536.87

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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.