Home / 470,869.38-706,747.95-171,639.18

Finding the Fourth Proportional to 470,869.38, 706,747.95 and 171,639.18

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Solution

The fourth proportional to 470,869.38, 706,747.95 and 171,639.18 is: 257,620.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,869.38 : 706,747.95 = 171,639.18 : x
  2. Step 2: Convert to fraction form
    470,869.38/706,747.95 = 171,639.18/x
  3. Step 3: Cross multiply
    470,869.38x = 706,747.95 × 171,639.18
  4. Step 4: Simplify right side
    470,869.38x = 121,305,638,604.68
  5. Step 5: Solve for x
    x = 121,305,638,604.68/470,869.38
  6. Step 6: Final answer
    x = 257,620.57

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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.