Home / 686,450.92-1,029,673.14-174,116.20

Finding the Fourth Proportional to 686,450.92, 1,029,673.14 and 174,116.20

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Solution

The fourth proportional to 686,450.92, 1,029,673.14 and 174,116.20 is: 261,173.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,450.92 : 1,029,673.14 = 174,116.20 : x
  2. Step 2: Convert to fraction form
    686,450.92/1,029,673.14 = 174,116.20/x
  3. Step 3: Cross multiply
    686,450.92x = 1,029,673.14 × 174,116.20
  4. Step 4: Simplify right side
    686,450.92x = 179,282,774,378.87
  5. Step 5: Solve for x
    x = 179,282,774,378.87/686,450.92
  6. Step 6: Final answer
    x = 261,173.48

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Double scale
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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.