Home / 1,706,228.72-2,557,374.64-640,591.12

Finding the Fourth Proportional to 1,706,228.72, 2,557,374.64 and 640,591.12

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Solution

The fourth proportional to 1,706,228.72, 2,557,374.64 and 640,591.12 is: 960,147.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706,228.72 : 2,557,374.64 = 640,591.12 : x
  2. Step 2: Convert to fraction form
    1,706,228.72/2,557,374.64 = 640,591.12/x
  3. Step 3: Cross multiply
    1,706,228.72x = 2,557,374.64 × 640,591.12
  4. Step 4: Simplify right side
    1,706,228.72x = 1,638,231,484,897.20
  5. Step 5: Solve for x
    x = 1,638,231,484,897.20/1,706,228.72
  6. Step 6: Final answer
    x = 960,147.64

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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.