Home / 477,518.72-658,976.16-262,675.12

Finding the Fourth Proportional to 477,518.72, 658,976.16 and 262,675.12

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Solution

The fourth proportional to 477,518.72, 658,976.16 and 262,675.12 is: 362,491.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,518.72 : 658,976.16 = 262,675.12 : x
  2. Step 2: Convert to fraction form
    477,518.72/658,976.16 = 262,675.12/x
  3. Step 3: Cross multiply
    477,518.72x = 658,976.16 × 262,675.12
  4. Step 4: Simplify right side
    477,518.72x = 173,096,641,905.14
  5. Step 5: Solve for x
    x = 173,096,641,905.14/477,518.72
  6. Step 6: Final answer
    x = 362,491.85

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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.