Home / 741,940.32-1,023,784.56-440,076

Finding the Fourth Proportional to 741,940.32, 1,023,784.56 and 440,076

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Solution

The fourth proportional to 741,940.32, 1,023,784.56 and 440,076 is: 607,249.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,940.32 : 1,023,784.56 = 440,076 : x
  2. Step 2: Convert to fraction form
    741,940.32/1,023,784.56 = 440,076/x
  3. Step 3: Cross multiply
    741,940.32x = 1,023,784.56 × 440,076
  4. Step 4: Simplify right side
    741,940.32x = 450,543,014,026.56
  5. Step 5: Solve for x
    x = 450,543,014,026.56/741,940.32
  6. Step 6: Final answer
    x = 607,249.67

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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.