Home / 1,722,078.60-2,584,102.05-657,884.40

Finding the Fourth Proportional to 1,722,078.60, 2,584,102.05 and 657,884.40

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Solution

The fourth proportional to 1,722,078.60, 2,584,102.05 and 657,884.40 is: 987,202.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722,078.60 : 2,584,102.05 = 657,884.40 : x
  2. Step 2: Convert to fraction form
    1,722,078.60/2,584,102.05 = 657,884.40/x
  3. Step 3: Cross multiply
    1,722,078.60x = 2,584,102.05 × 657,884.40
  4. Step 4: Simplify right side
    1,722,078.60x = 1,700,040,426,703.02
  5. Step 5: Solve for x
    x = 1,700,040,426,703.02/1,722,078.60
  6. Step 6: Final answer
    x = 987,202.57

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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.