Home / 477,743.27-716,640.01-122,759.69

Finding the Fourth Proportional to 477,743.27, 716,640.01 and 122,759.69

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Solution

The fourth proportional to 477,743.27, 716,640.01 and 122,759.69 is: 184,145.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,743.27 : 716,640.01 = 122,759.69 : x
  2. Step 2: Convert to fraction form
    477,743.27/716,640.01 = 122,759.69/x
  3. Step 3: Cross multiply
    477,743.27x = 716,640.01 × 122,759.69
  4. Step 4: Simplify right side
    477,743.27x = 87,974,501,579.10
  5. Step 5: Solve for x
    x = 87,974,501,579.10/477,743.27
  6. Step 6: Final answer
    x = 184,145.98

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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.