Home / 477,221.40-658,565.94-262,365.12

Finding the Fourth Proportional to 477,221.40, 658,565.94 and 262,365.12

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Solution

The fourth proportional to 477,221.40, 658,565.94 and 262,365.12 is: 362,064.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,221.40 : 658,565.94 = 262,365.12 : x
  2. Step 2: Convert to fraction form
    477,221.40/658,565.94 = 262,365.12/x
  3. Step 3: Cross multiply
    477,221.40x = 658,565.94 × 262,365.12
  4. Step 4: Simplify right side
    477,221.40x = 172,784,731,876.01
  5. Step 5: Solve for x
    x = 172,784,731,876.01/477,221.40
  6. Step 6: Final answer
    x = 362,064.09

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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.