Home / 451,534.32-623,118.24-250,330.32

Finding the Fourth Proportional to 451,534.32, 623,118.24 and 250,330.32

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Solution

The fourth proportional to 451,534.32, 623,118.24 and 250,330.32 is: 345,456.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,534.32 : 623,118.24 = 250,330.32 : x
  2. Step 2: Convert to fraction form
    451,534.32/623,118.24 = 250,330.32/x
  3. Step 3: Cross multiply
    451,534.32x = 623,118.24 × 250,330.32
  4. Step 4: Simplify right side
    451,534.32x = 155,985,388,417.04
  5. Step 5: Solve for x
    x = 155,985,388,417.04/451,534.32
  6. Step 6: Final answer
    x = 345,456.33

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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.