Home / 518,030.22-777,169.74-198,176.84

Finding the Fourth Proportional to 518,030.22, 777,169.74 and 198,176.84

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Solution

The fourth proportional to 518,030.22, 777,169.74 and 198,176.84 is: 297,312.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,030.22 : 777,169.74 = 198,176.84 : x
  2. Step 2: Convert to fraction form
    518,030.22/777,169.74 = 198,176.84/x
  3. Step 3: Cross multiply
    518,030.22x = 777,169.74 × 198,176.84
  4. Step 4: Simplify right side
    518,030.22x = 154,017,046,245.36
  5. Step 5: Solve for x
    x = 154,017,046,245.36/518,030.22
  6. Step 6: Final answer
    x = 297,312.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.