Home / 1,781,601.60-2,672,402.40-451,905.60

Finding the Fourth Proportional to 1,781,601.60, 2,672,402.40 and 451,905.60

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Solution

The fourth proportional to 1,781,601.60, 2,672,402.40 and 451,905.60 is: 677,858.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,601.60 : 2,672,402.40 = 451,905.60 : x
  2. Step 2: Convert to fraction form
    1,781,601.60/2,672,402.40 = 451,905.60/x
  3. Step 3: Cross multiply
    1,781,601.60x = 2,672,402.40 × 451,905.60
  4. Step 4: Simplify right side
    1,781,601.60x = 1,207,673,610,013.44
  5. Step 5: Solve for x
    x = 1,207,673,610,013.44/1,781,601.60
  6. Step 6: Final answer
    x = 677,858.40

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1.5x scale

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.