Home / 519,872.85-779,836.95-164,914.65

Finding the Fourth Proportional to 519,872.85, 779,836.95 and 164,914.65

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Solution

The fourth proportional to 519,872.85, 779,836.95 and 164,914.65 is: 247,380.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,872.85 : 779,836.95 = 164,914.65 : x
  2. Step 2: Convert to fraction form
    519,872.85/779,836.95 = 164,914.65/x
  3. Step 3: Cross multiply
    519,872.85x = 779,836.95 × 164,914.65
  4. Step 4: Simplify right side
    519,872.85x = 128,606,537,666.32
  5. Step 5: Solve for x
    x = 128,606,537,666.32/519,872.85
  6. Step 6: Final answer
    x = 247,380.75

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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.