Home / 722,297.74-996,936.78-480,590.50

Finding the Fourth Proportional to 722,297.74, 996,936.78 and 480,590.50

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Solution

The fourth proportional to 722,297.74, 996,936.78 and 480,590.50 is: 663,325.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,297.74 : 996,936.78 = 480,590.50 : x
  2. Step 2: Convert to fraction form
    722,297.74/996,936.78 = 480,590.50/x
  3. Step 3: Cross multiply
    722,297.74x = 996,936.78 × 480,590.50
  4. Step 4: Simplify right side
    722,297.74x = 479,118,345,568.59
  5. Step 5: Solve for x
    x = 479,118,345,568.59/722,297.74
  6. Step 6: Final answer
    x = 663,325.27

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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.