Home / 1,215,904.79-1,823,951.34-406,292.01

Finding the Fourth Proportional to 1,215,904.79, 1,823,951.34 and 406,292.01

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Solution

The fourth proportional to 1,215,904.79, 1,823,951.34 and 406,292.01 is: 609,469.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,904.79 : 1,823,951.34 = 406,292.01 : x
  2. Step 2: Convert to fraction form
    1,215,904.79/1,823,951.34 = 406,292.01/x
  3. Step 3: Cross multiply
    1,215,904.79x = 1,823,951.34 × 406,292.01
  4. Step 4: Simplify right side
    1,215,904.79x = 741,056,856,070.79
  5. Step 5: Solve for x
    x = 741,056,856,070.79/1,215,904.79
  6. Step 6: Final answer
    x = 609,469.48

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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.