Home / 477,257.51-658,628.07-262,403.12

Finding the Fourth Proportional to 477,257.51, 658,628.07 and 262,403.12

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Solution

The fourth proportional to 477,257.51, 658,628.07 and 262,403.12 is: 362,123.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,257.51 : 658,628.07 = 262,403.12 : x
  2. Step 2: Convert to fraction form
    477,257.51/658,628.07 = 262,403.12/x
  3. Step 3: Cross multiply
    477,257.51x = 658,628.07 × 262,403.12
  4. Step 4: Simplify right side
    477,257.51x = 172,826,060,487.58
  5. Step 5: Solve for x
    x = 172,826,060,487.58/477,257.51
  6. Step 6: Final answer
    x = 362,123.29

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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.