Home / 451,315.52-623,098.64-290,450.16

Finding the Fourth Proportional to 451,315.52, 623,098.64 and 290,450.16

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Solution

The fourth proportional to 451,315.52, 623,098.64 and 290,450.16 is: 401,003.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,315.52 : 623,098.64 = 290,450.16 : x
  2. Step 2: Convert to fraction form
    451,315.52/623,098.64 = 290,450.16/x
  3. Step 3: Cross multiply
    451,315.52x = 623,098.64 × 290,450.16
  4. Step 4: Simplify right side
    451,315.52x = 180,979,099,683.78
  5. Step 5: Solve for x
    x = 180,979,099,683.78/451,315.52
  6. Step 6: Final answer
    x = 401,003.49

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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.