Home / 451,480.12-623,048.64-247,530.56

Finding the Fourth Proportional to 451,480.12, 623,048.64 and 247,530.56

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Solution

The fourth proportional to 451,480.12, 623,048.64 and 247,530.56 is: 341,595.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,480.12 : 623,048.64 = 247,530.56 : x
  2. Step 2: Convert to fraction form
    451,480.12/623,048.64 = 247,530.56/x
  3. Step 3: Cross multiply
    451,480.12x = 623,048.64 × 247,530.56
  4. Step 4: Simplify right side
    451,480.12x = 154,223,576,115.32
  5. Step 5: Solve for x
    x = 154,223,576,115.32/451,480.12
  6. Step 6: Final answer
    x = 341,595.49

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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.