Home / 781,244.23-1,171,745.47-301,402.05

Finding the Fourth Proportional to 781,244.23, 1,171,745.47 and 301,402.05

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Solution

The fourth proportional to 781,244.23, 1,171,745.47 and 301,402.05 is: 452,056.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,244.23 : 1,171,745.47 = 301,402.05 : x
  2. Step 2: Convert to fraction form
    781,244.23/1,171,745.47 = 301,402.05/x
  3. Step 3: Cross multiply
    781,244.23x = 1,171,745.47 × 301,402.05
  4. Step 4: Simplify right side
    781,244.23x = 353,166,485,982.71
  5. Step 5: Solve for x
    x = 353,166,485,982.71/781,244.23
  6. Step 6: Final answer
    x = 452,056.44

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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.