Home / 513,417.06-769,961.78-176,376.44

Finding the Fourth Proportional to 513,417.06, 769,961.78 and 176,376.44

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Solution

The fourth proportional to 513,417.06, 769,961.78 and 176,376.44 is: 264,508.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,417.06 : 769,961.78 = 176,376.44 : x
  2. Step 2: Convert to fraction form
    513,417.06/769,961.78 = 176,376.44/x
  3. Step 3: Cross multiply
    513,417.06x = 769,961.78 × 176,376.44
  4. Step 4: Simplify right side
    513,417.06x = 135,803,117,692.46
  5. Step 5: Solve for x
    x = 135,803,117,692.46/513,417.06
  6. Step 6: Final answer
    x = 264,508.39

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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.