Home / 477,935.91-659,614.53-286,961.58

Finding the Fourth Proportional to 477,935.91, 659,614.53 and 286,961.58

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Solution

The fourth proportional to 477,935.91, 659,614.53 and 286,961.58 is: 396,044.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,935.91 : 659,614.53 = 286,961.58 : x
  2. Step 2: Convert to fraction form
    477,935.91/659,614.53 = 286,961.58/x
  3. Step 3: Cross multiply
    477,935.91x = 659,614.53 × 286,961.58
  4. Step 4: Simplify right side
    477,935.91x = 189,284,027,719.76
  5. Step 5: Solve for x
    x = 189,284,027,719.76/477,935.91
  6. Step 6: Final answer
    x = 396,044.79

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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.