Home / 3,164,632.65-4,746,883.41-768,489.84

Finding the Fourth Proportional to 3,164,632.65, 4,746,883.41 and 768,489.84

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Solution

The fourth proportional to 3,164,632.65, 4,746,883.41 and 768,489.84 is: 1,152,718.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164,632.65 : 4,746,883.41 = 768,489.84 : x
  2. Step 2: Convert to fraction form
    3,164,632.65/4,746,883.41 = 768,489.84/x
  3. Step 3: Cross multiply
    3,164,632.65x = 4,746,883.41 × 768,489.84
  4. Step 4: Simplify right side
    3,164,632.65x = 3,647,931,672,249.55
  5. Step 5: Solve for x
    x = 3,647,931,672,249.55/3,164,632.65
  6. Step 6: Final answer
    x = 1,152,718.84

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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.