Home / 1,600,917.82-2,209,386.44-912,606.04

Finding the Fourth Proportional to 1,600,917.82, 2,209,386.44 and 912,606.04

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Solution

The fourth proportional to 1,600,917.82, 2,209,386.44 and 912,606.04 is: 1,259,464.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,917.82 : 2,209,386.44 = 912,606.04 : x
  2. Step 2: Convert to fraction form
    1,600,917.82/2,209,386.44 = 912,606.04/x
  3. Step 3: Cross multiply
    1,600,917.82x = 2,209,386.44 × 912,606.04
  4. Step 4: Simplify right side
    1,600,917.82x = 2,016,299,414,881.35
  5. Step 5: Solve for x
    x = 2,016,299,414,881.35/1,600,917.82
  6. Step 6: Final answer
    x = 1,259,464.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.