Home / 1,678,778.94-2,518,658.78-541,515.93

Finding the Fourth Proportional to 1,678,778.94, 2,518,658.78 and 541,515.93

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Solution

The fourth proportional to 1,678,778.94, 2,518,658.78 and 541,515.93 is: 812,432.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,778.94 : 2,518,658.78 = 541,515.93 : x
  2. Step 2: Convert to fraction form
    1,678,778.94/2,518,658.78 = 541,515.93/x
  3. Step 3: Cross multiply
    1,678,778.94x = 2,518,658.78 × 541,515.93
  4. Step 4: Simplify right side
    1,678,778.94x = 1,363,893,855,142.28
  5. Step 5: Solve for x
    x = 1,363,893,855,142.28/1,678,778.94
  6. Step 6: Final answer
    x = 812,432.07

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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.