Home / 2,085,673.80-3,128,510.70-665,833.80

Finding the Fourth Proportional to 2,085,673.80, 3,128,510.70 and 665,833.80

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Solution

The fourth proportional to 2,085,673.80, 3,128,510.70 and 665,833.80 is: 998,750.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,673.80 : 3,128,510.70 = 665,833.80 : x
  2. Step 2: Convert to fraction form
    2,085,673.80/3,128,510.70 = 665,833.80/x
  3. Step 3: Cross multiply
    2,085,673.80x = 3,128,510.70 × 665,833.80
  4. Step 4: Simplify right side
    2,085,673.80x = 2,083,068,167,721.66
  5. Step 5: Solve for x
    x = 2,083,068,167,721.66/2,085,673.80
  6. Step 6: Final answer
    x = 998,750.70

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Similar ratio
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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.