Home / 1,641,905.20-2,462,627.40-520,087.60

Finding the Fourth Proportional to 1,641,905.20, 2,462,627.40 and 520,087.60

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Solution

The fourth proportional to 1,641,905.20, 2,462,627.40 and 520,087.60 is: 780,058.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,905.20 : 2,462,627.40 = 520,087.60 : x
  2. Step 2: Convert to fraction form
    1,641,905.20/2,462,627.40 = 520,087.60/x
  3. Step 3: Cross multiply
    1,641,905.20x = 2,462,627.40 × 520,087.60
  4. Step 4: Simplify right side
    1,641,905.20x = 1,280,781,974,160.24
  5. Step 5: Solve for x
    x = 1,280,781,974,160.24/1,641,905.20
  6. Step 6: Final answer
    x = 780,058.42

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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.