Home / 763,929.24-1,140,286.35-707,631

Finding the Fourth Proportional to 763,929.24, 1,140,286.35 and 707,631

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Solution

The fourth proportional to 763,929.24, 1,140,286.35 and 707,631 is: 1,056,252.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,929.24 : 1,140,286.35 = 707,631 : x
  2. Step 2: Convert to fraction form
    763,929.24/1,140,286.35 = 707,631/x
  3. Step 3: Cross multiply
    763,929.24x = 1,140,286.35 × 707,631
  4. Step 4: Simplify right side
    763,929.24x = 806,901,970,136.85
  5. Step 5: Solve for x
    x = 806,901,970,136.85/763,929.24
  6. Step 6: Final answer
    x = 1,056,252.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.