Home / 612,838.08-845,723.01-337,199.51

Finding the Fourth Proportional to 612,838.08, 845,723.01 and 337,199.51

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Solution

The fourth proportional to 612,838.08, 845,723.01 and 337,199.51 is: 465,338.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,838.08 : 845,723.01 = 337,199.51 : x
  2. Step 2: Convert to fraction form
    612,838.08/845,723.01 = 337,199.51/x
  3. Step 3: Cross multiply
    612,838.08x = 845,723.01 × 337,199.51
  4. Step 4: Simplify right side
    612,838.08x = 285,177,380,339.11
  5. Step 5: Solve for x
    x = 285,177,380,339.11/612,838.08
  6. Step 6: Final answer
    x = 465,338.87

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1.5x scale

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.