Home / 963,631.68-1,329,766.92-528,046.44

Finding the Fourth Proportional to 963,631.68, 1,329,766.92 and 528,046.44

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Solution

The fourth proportional to 963,631.68, 1,329,766.92 and 528,046.44 is: 728,679.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,631.68 : 1,329,766.92 = 528,046.44 : x
  2. Step 2: Convert to fraction form
    963,631.68/1,329,766.92 = 528,046.44/x
  3. Step 3: Cross multiply
    963,631.68x = 1,329,766.92 × 528,046.44
  4. Step 4: Simplify right side
    963,631.68x = 702,178,688,135.77
  5. Step 5: Solve for x
    x = 702,178,688,135.77/963,631.68
  6. Step 6: Final answer
    x = 728,679.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.