Home / 2,109,936.45-3,164,904.71-512,488.77

Finding the Fourth Proportional to 2,109,936.45, 3,164,904.71 and 512,488.77

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Solution

The fourth proportional to 2,109,936.45, 3,164,904.71 and 512,488.77 is: 768,733.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,936.45 : 3,164,904.71 = 512,488.77 : x
  2. Step 2: Convert to fraction form
    2,109,936.45/3,164,904.71 = 512,488.77/x
  3. Step 3: Cross multiply
    2,109,936.45x = 3,164,904.71 × 512,488.77
  4. Step 4: Simplify right side
    2,109,936.45x = 1,621,978,119,432.66
  5. Step 5: Solve for x
    x = 1,621,978,119,432.66/2,109,936.45
  6. Step 6: Final answer
    x = 768,733.16

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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.