Home / 852,727.50-1,176,745.32-465,529.68

Finding the Fourth Proportional to 852,727.50, 1,176,745.32 and 465,529.68

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Solution

The fourth proportional to 852,727.50, 1,176,745.32 and 465,529.68 is: 642,420.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,727.50 : 1,176,745.32 = 465,529.68 : x
  2. Step 2: Convert to fraction form
    852,727.50/1,176,745.32 = 465,529.68/x
  3. Step 3: Cross multiply
    852,727.50x = 1,176,745.32 × 465,529.68
  4. Step 4: Simplify right side
    852,727.50x = 547,809,872,261.10
  5. Step 5: Solve for x
    x = 547,809,872,261.10/852,727.50
  6. Step 6: Final answer
    x = 642,420.79

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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.