Home / 412,700.22-619,225.29-225,493.02

Finding the Fourth Proportional to 412,700.22, 619,225.29 and 225,493.02

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Solution

The fourth proportional to 412,700.22, 619,225.29 and 225,493.02 is: 338,335.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,700.22 : 619,225.29 = 225,493.02 : x
  2. Step 2: Convert to fraction form
    412,700.22/619,225.29 = 225,493.02/x
  3. Step 3: Cross multiply
    412,700.22x = 619,225.29 × 225,493.02
  4. Step 4: Simplify right side
    412,700.22x = 139,630,980,702.48
  5. Step 5: Solve for x
    x = 139,630,980,702.48/412,700.22
  6. Step 6: Final answer
    x = 338,335.13

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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.