Home / 467,434.40-645,191.60-276,514.16

Finding the Fourth Proportional to 467,434.40, 645,191.60 and 276,514.16

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Solution

The fourth proportional to 467,434.40, 645,191.60 and 276,514.16 is: 381,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,434.40 : 645,191.60 = 276,514.16 : x
  2. Step 2: Convert to fraction form
    467,434.40/645,191.60 = 276,514.16/x
  3. Step 3: Cross multiply
    467,434.40x = 645,191.60 × 276,514.16
  4. Step 4: Simplify right side
    467,434.40x = 178,404,613,313.06
  5. Step 5: Solve for x
    x = 178,404,613,313.06/467,434.40
  6. Step 6: Final answer
    x = 381,667.70

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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.