Home / 722,329.84-996,981.04-480,622.56

Finding the Fourth Proportional to 722,329.84, 996,981.04 and 480,622.56

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Solution

The fourth proportional to 722,329.84, 996,981.04 and 480,622.56 is: 663,369.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,329.84 : 996,981.04 = 480,622.56 : x
  2. Step 2: Convert to fraction form
    722,329.84/996,981.04 = 480,622.56/x
  3. Step 3: Cross multiply
    722,329.84x = 996,981.04 × 480,622.56
  4. Step 4: Simplify right side
    722,329.84x = 479,171,579,716.26
  5. Step 5: Solve for x
    x = 479,171,579,716.26/722,329.84
  6. Step 6: Final answer
    x = 663,369.49

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1.5x scale

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.