Home / 1,669,836.50-2,502,761.86-911,868.78

Finding the Fourth Proportional to 1,669,836.50, 2,502,761.86 and 911,868.78

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Solution

The fourth proportional to 1,669,836.50, 2,502,761.86 and 911,868.78 is: 1,366,714.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669,836.50 : 2,502,761.86 = 911,868.78 : x
  2. Step 2: Convert to fraction form
    1,669,836.50/2,502,761.86 = 911,868.78/x
  3. Step 3: Cross multiply
    1,669,836.50x = 2,502,761.86 × 911,868.78
  4. Step 4: Simplify right side
    1,669,836.50x = 2,282,190,403,908.73
  5. Step 5: Solve for x
    x = 2,282,190,403,908.73/1,669,836.50
  6. Step 6: Final answer
    x = 1,366,714.89

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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.