Home / 1,287,919.16-1,932,011-341,289.84

Finding the Fourth Proportional to 1,287,919.16, 1,932,011 and 341,289.84

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Solution

The fourth proportional to 1,287,919.16, 1,932,011 and 341,289.84 is: 511,969.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,919.16 : 1,932,011 = 341,289.84 : x
  2. Step 2: Convert to fraction form
    1,287,919.16/1,932,011 = 341,289.84/x
  3. Step 3: Cross multiply
    1,287,919.16x = 1,932,011 × 341,289.84
  4. Step 4: Simplify right side
    1,287,919.16x = 659,375,725,068.24
  5. Step 5: Solve for x
    x = 659,375,725,068.24/1,287,919.16
  6. Step 6: Final answer
    x = 511,969.81

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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.