Home / 477,471.15-658,689.30-286,152.39

Finding the Fourth Proportional to 477,471.15, 658,689.30 and 286,152.39

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Solution

The fourth proportional to 477,471.15, 658,689.30 and 286,152.39 is: 394,757.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,471.15 : 658,689.30 = 286,152.39 : x
  2. Step 2: Convert to fraction form
    477,471.15/658,689.30 = 286,152.39/x
  3. Step 3: Cross multiply
    477,471.15x = 658,689.30 × 286,152.39
  4. Step 4: Simplify right side
    477,471.15x = 188,485,517,462.43
  5. Step 5: Solve for x
    x = 188,485,517,462.43/477,471.15
  6. Step 6: Final answer
    x = 394,757.92

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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.