Home / 564,758.28-847,147.55-205,184.50

Finding the Fourth Proportional to 564,758.28, 847,147.55 and 205,184.50

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Solution

The fourth proportional to 564,758.28, 847,147.55 and 205,184.50 is: 307,780.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,758.28 : 847,147.55 = 205,184.50 : x
  2. Step 2: Convert to fraction form
    564,758.28/847,147.55 = 205,184.50/x
  3. Step 3: Cross multiply
    564,758.28x = 847,147.55 × 205,184.50
  4. Step 4: Simplify right side
    564,758.28x = 173,821,543,329.18
  5. Step 5: Solve for x
    x = 173,821,543,329.18/564,758.28
  6. Step 6: Final answer
    x = 307,780.42

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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.