Home / 605,113.51-835,087.34-343,487.23

Finding the Fourth Proportional to 605,113.51, 835,087.34 and 343,487.23

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Solution

The fourth proportional to 605,113.51, 835,087.34 and 343,487.23 is: 474,029.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,113.51 : 835,087.34 = 343,487.23 : x
  2. Step 2: Convert to fraction form
    605,113.51/835,087.34 = 343,487.23/x
  3. Step 3: Cross multiply
    605,113.51x = 835,087.34 × 343,487.23
  4. Step 4: Simplify right side
    605,113.51x = 286,841,838,760.92
  5. Step 5: Solve for x
    x = 286,841,838,760.92/605,113.51
  6. Step 6: Final answer
    x = 474,029.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.