Home / 500,189.28-690,256.56-273,832.80

Finding the Fourth Proportional to 500,189.28, 690,256.56 and 273,832.80

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Solution

The fourth proportional to 500,189.28, 690,256.56 and 273,832.80 is: 377,886.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,189.28 : 690,256.56 = 273,832.80 : x
  2. Step 2: Convert to fraction form
    500,189.28/690,256.56 = 273,832.80/x
  3. Step 3: Cross multiply
    500,189.28x = 690,256.56 × 273,832.80
  4. Step 4: Simplify right side
    500,189.28x = 189,014,886,543.17
  5. Step 5: Solve for x
    x = 189,014,886,543.17/500,189.28
  6. Step 6: Final answer
    x = 377,886.72

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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.