Home / 1,217,658.32-1,826,499.72-543,773.76

Finding the Fourth Proportional to 1,217,658.32, 1,826,499.72 and 543,773.76

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Solution

The fourth proportional to 1,217,658.32, 1,826,499.72 and 543,773.76 is: 815,666.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,658.32 : 1,826,499.72 = 543,773.76 : x
  2. Step 2: Convert to fraction form
    1,217,658.32/1,826,499.72 = 543,773.76/x
  3. Step 3: Cross multiply
    1,217,658.32x = 1,826,499.72 × 543,773.76
  4. Step 4: Simplify right side
    1,217,658.32x = 993,202,620,383.35
  5. Step 5: Solve for x
    x = 993,202,620,383.35/1,217,658.32
  6. Step 6: Final answer
    x = 815,666.11

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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.