Home / 451,935.09-623,649.46-247,980.94

Finding the Fourth Proportional to 451,935.09, 623,649.46 and 247,980.94

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Solution

The fourth proportional to 451,935.09, 623,649.46 and 247,980.94 is: 342,202.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,935.09 : 623,649.46 = 247,980.94 : x
  2. Step 2: Convert to fraction form
    451,935.09/623,649.46 = 247,980.94/x
  3. Step 3: Cross multiply
    451,935.09x = 623,649.46 × 247,980.94
  4. Step 4: Simplify right side
    451,935.09x = 154,653,174,963.14
  5. Step 5: Solve for x
    x = 154,653,174,963.14/451,935.09
  6. Step 6: Final answer
    x = 342,202.18

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1.5x scale

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.