Home / 579,263.40-799,339.86-324,565.38

Finding the Fourth Proportional to 579,263.40, 799,339.86 and 324,565.38

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Solution

The fourth proportional to 579,263.40, 799,339.86 and 324,565.38 is: 447,875.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,263.40 : 799,339.86 = 324,565.38 : x
  2. Step 2: Convert to fraction form
    579,263.40/799,339.86 = 324,565.38/x
  3. Step 3: Cross multiply
    579,263.40x = 799,339.86 × 324,565.38
  4. Step 4: Simplify right side
    579,263.40x = 259,438,045,410.05
  5. Step 5: Solve for x
    x = 259,438,045,410.05/579,263.40
  6. Step 6: Final answer
    x = 447,875.78

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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.