Home / 460,730.07-691,106.04-123,771.15

Finding the Fourth Proportional to 460,730.07, 691,106.04 and 123,771.15

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Solution

The fourth proportional to 460,730.07, 691,106.04 and 123,771.15 is: 185,659.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,730.07 : 691,106.04 = 123,771.15 : x
  2. Step 2: Convert to fraction form
    460,730.07/691,106.04 = 123,771.15/x
  3. Step 3: Cross multiply
    460,730.07x = 691,106.04 × 123,771.15
  4. Step 4: Simplify right side
    460,730.07x = 85,538,989,342.75
  5. Step 5: Solve for x
    x = 85,538,989,342.75/460,730.07
  6. Step 6: Final answer
    x = 185,659.66

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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.