Home / 1,783,615.81-2,675,416.40-646,111.66

Finding the Fourth Proportional to 1,783,615.81, 2,675,416.40 and 646,111.66

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Solution

The fourth proportional to 1,783,615.81, 2,675,416.40 and 646,111.66 is: 969,164.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,615.81 : 2,675,416.40 = 646,111.66 : x
  2. Step 2: Convert to fraction form
    1,783,615.81/2,675,416.40 = 646,111.66/x
  3. Step 3: Cross multiply
    1,783,615.81x = 2,675,416.40 × 646,111.66
  4. Step 4: Simplify right side
    1,783,615.81x = 1,728,617,714,787.58
  5. Step 5: Solve for x
    x = 1,728,617,714,787.58/1,783,615.81
  6. Step 6: Final answer
    x = 969,164.83

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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.