Home / 741,925.50-1,111,976.01-342,011.58

Finding the Fourth Proportional to 741,925.50, 1,111,976.01 and 342,011.58

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Solution

The fourth proportional to 741,925.50, 1,111,976.01 and 342,011.58 is: 512,596.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,925.50 : 1,111,976.01 = 342,011.58 : x
  2. Step 2: Convert to fraction form
    741,925.50/1,111,976.01 = 342,011.58/x
  3. Step 3: Cross multiply
    741,925.50x = 1,111,976.01 × 342,011.58
  4. Step 4: Simplify right side
    741,925.50x = 380,308,672,102.20
  5. Step 5: Solve for x
    x = 380,308,672,102.20/741,925.50
  6. Step 6: Final answer
    x = 512,596.85

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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.