Home / 579,215.74-799,339.35-324,557.50

Finding the Fourth Proportional to 579,215.74, 799,339.35 and 324,557.50

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Solution

The fourth proportional to 579,215.74, 799,339.35 and 324,557.50 is: 447,901.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,215.74 : 799,339.35 = 324,557.50 : x
  2. Step 2: Convert to fraction form
    579,215.74/799,339.35 = 324,557.50/x
  3. Step 3: Cross multiply
    579,215.74x = 799,339.35 × 324,557.50
  4. Step 4: Simplify right side
    579,215.74x = 259,431,581,087.63
  5. Step 5: Solve for x
    x = 259,431,581,087.63/579,215.74
  6. Step 6: Final answer
    x = 447,901.47

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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.