Home / 1,783,615.31-2,675,415.65-646,111.16

Finding the Fourth Proportional to 1,783,615.31, 2,675,415.65 and 646,111.16

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Solution

The fourth proportional to 1,783,615.31, 2,675,415.65 and 646,111.16 is: 969,164.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,615.31 : 2,675,415.65 = 646,111.16 : x
  2. Step 2: Convert to fraction form
    1,783,615.31/2,675,415.65 = 646,111.16/x
  3. Step 3: Cross multiply
    1,783,615.31x = 2,675,415.65 × 646,111.16
  4. Step 4: Simplify right side
    1,783,615.31x = 1,728,615,892,496.02
  5. Step 5: Solve for x
    x = 1,728,615,892,496.02/1,783,615.31
  6. Step 6: Final answer
    x = 969,164.08

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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.