Home / 634,295.34-875,786.94-408,334.50

Finding the Fourth Proportional to 634,295.34, 875,786.94 and 408,334.50

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Solution

The fourth proportional to 634,295.34, 875,786.94 and 408,334.50 is: 563,797.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,295.34 : 875,786.94 = 408,334.50 : x
  2. Step 2: Convert to fraction form
    634,295.34/875,786.94 = 408,334.50/x
  3. Step 3: Cross multiply
    634,295.34x = 875,786.94 × 408,334.50
  4. Step 4: Simplify right side
    634,295.34x = 357,614,022,251.43
  5. Step 5: Solve for x
    x = 357,614,022,251.43/634,295.34
  6. Step 6: Final answer
    x = 563,797.33

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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.