Home / 1,860,102.59-2,790,168.86-512,339.54

Finding the Fourth Proportional to 1,860,102.59, 2,790,168.86 and 512,339.54

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Solution

The fourth proportional to 1,860,102.59, 2,790,168.86 and 512,339.54 is: 768,513.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860,102.59 : 2,790,168.86 = 512,339.54 : x
  2. Step 2: Convert to fraction form
    1,860,102.59/2,790,168.86 = 512,339.54/x
  3. Step 3: Cross multiply
    1,860,102.59x = 2,790,168.86 × 512,339.54
  4. Step 4: Simplify right side
    1,860,102.59x = 1,429,513,817,584.73
  5. Step 5: Solve for x
    x = 1,429,513,817,584.73/1,860,102.59
  6. Step 6: Final answer
    x = 768,513.43

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1.5x scale

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.